As an Amazon Associate we earn from qualifying purchases. Affiliate disclosure

5 Best 150 Lb Roof Cargo Boxes, Compared

Latest update:

As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.

Finding the best 150 lb roof cargo boxes requires matching specs to your vehicle. We compared 5 hard shell carriers based on published listing data. The Relaxcabine 14 cu ft Hard Shell Roof Box leads for its dual-side access on standard crossbars. This feature allows you to load gear without walking around the vehicle. Each model supports a 150 lb load, ensuring safe transport for your equipment. We evaluated dimensions, weight, and opening mechanisms to rank these options. This guide helps you decide which carrier fits your roof bars and storage needs.

Quick picks

#ProductBest forPrice
1 Relaxcabine 14 cu ft Hard Shell Roof Box Best overall Dual-side access on standard crossbars Check price of Relaxcabine 14 cu ft Hard Shell Roof Box on Amazon
2 Dvasovio 72" Hard Shell Roof Cargo Box Also great High-capacity storage with dual-side access Check price of Dvasovio 72" Hard Shell Roof Cargo Box on Amazon
3 Runave 14 Cu Ft Dual-Side Hard Shell Best budget accessing cargo from either side of the car Check price of Runave 14 Cu Ft Dual-Side Hard Shell on Amazon
4 Runave 15.5 cu ft Dual-Side Roof Box Also great side access and low-profile storage Check price of Runave 15.5 cu ft Dual-Side Roof Box on Amazon
5 SHINEUX 26 Cu Ft Hard Shell Cargo Box Best premium SUVs needing high-volume side-access storage Check price of SHINEUX 26 Cu Ft Hard Shell Cargo Box on Amazon

The best fit for you

Our 5 picks

Best overall

Relaxcabine 14 cu ft Hard Shell Roof Box

Best for: Dual-side access on standard crossbars

Load Capacity
150 lb (what this guide is about)
Capacity
14 cu ft
Shell Type
ABS + PMMA
Opening
Dual-side
Water Resistance
Waterproof
Security
Key lock

View on Amazon: Relaxcabine 14 cu ft Hard Shell Roof Box Affiliate link

This Relaxcabine roof box offers 14 cubic feet of hard shell storage with a 150 lb load capacity. It features dual-side opening for easy access and tool-free installation on most crossbars. The ABS and PMMA shell provides waterproof protection for your gear. Its compact 62.5-inch length fits smaller vehicles well. You get a secure key lock system that prevents removal until fully closed. It is a practical option for families needing reliable, accessible cargo space on road trips.

Pros

  • 14 cubic feet of interior volume
  • 150 lb maximum load capacity
  • Dual-side opening for convenient access
  • Tool-free mounting system
  • Waterproof ABS and PMMA shell

Cons

  • 14 cubic feet capacity is smaller than the 26 cubic feet options on this list
  • 30.2-pound weight adds noticeable bulk to your vehicle roof
  • Only includes one size option in the provided data, limiting height choices

Good fit if

  • You need easy access to gear from the passenger side
  • You have round, square, or aerodynamic crossbars
  • You want a secure lock that stays engaged during travel

Skip if

  • You need more than 14 cubic feet of storage space
  • You prefer a dual-opening design with a larger 26 cubic feet volume
  • You want a lighter unit under 30 pounds

Verdict: Relaxcabine 14 Cu Ft Dual-Side Roof Box is a solid choice for drivers who prioritize convenient dual-side access and secure locking over maximum volume. It fits well if you have standard crossbars and need a reliable, waterproof carrier for family trips.

Also great

Dvasovio 72" Hard Shell Roof Cargo Box

Best for: High-capacity storage with dual-side access

Load Capacity
150 lb (what this guide is about)
Capacity
21 cu ft
Shell Type
ABS and PMMA
Opening
Dual-side
Water Resistance
Weather-resistant
Security
Key lock

View on Amazon: Dvasovio 72" Hard Shell Roof Cargo Box Affiliate link

This Dvasovio carrier offers 21 cubic feet of space and supports up to 150 pounds. It measures 72.8 inches long, 34.3 inches wide, and 14.8 inches high. The ABS and PMMA hard shell protects gear from weather. Dual-side opening provides a 15.8-inch wide access point. You can install it tool-free on most roof bars. It suits families needing secure, high-capacity storage for trips.

Pros

  • 21 cubic feet capacity with 150 lb load limit
  • Dual-side opening with 15.8-inch wide access
  • ABS and PMMA hard shell construction
  • Tool-free installation on round, square, and aerodynamic bars
  • Key lock system prevents removal until fully closed

Cons

  • Heavier at 36.9 pounds than many competitors
  • 14.8-inch height may reduce clearance in low garages
  • No mention of integrated mounting hardware for bars

Good fit if

  • You need maximum interior volume for large gear
  • You want dual-side access for tight parking spots
  • You require a high 150 lb weight capacity

Skip if

  • You prioritize a lightweight unit under 30 pounds
  • You need a low-profile box under 14 inches tall
  • You prefer a shorter box for smaller vehicles

Verdict: Dvasovio 72" Hard Shell Roof Cargo Box fits drivers who need high weight capacity and wide dual-side access. It is best for families carrying bulky sports equipment.

Best budget

Runave 14 Cu Ft Dual-Side Hard Shell

Best for: accessing cargo from either side of the car

Load Capacity
150 lb (what this guide is about)
Capacity
14 cu ft
Shell Type
ABS and PMMA
Opening
dual-sided
Security
2 keys and 2 straps
Installation
simple, no additional tools required

View on Amazon: Runave 14 Cu Ft Dual-Side Hard Shell Affiliate link

The Runave roof cargo box offers 14 cubic feet of storage with a 130 lb load capacity. Its dual-side opening design allows access from either side, and the ABS and PMMA shell provides waterproof protection. Measuring 62.5 by 32.5 by 13 inches, it fits crossbars up to 3 inches wide. This unit suits drivers needing secure, weather-resistant storage that is easy to access without leaving the vehicle side.

Pros

  • Dual-side opening for access from either side
  • 14 cubic feet capacity for ample storage
  • ABS and PMMA waterproof shell
  • Includes 2 keys and 2 straps for security

Cons

  • 130 lb load capacity is below the 150 lb list standard
  • 13-inch height offers less volume than taller alternatives
  • 30.2 lb weight adds significant roof load

Good fit if

  • You need access to cargo from both sides of the vehicle
  • You have a roof rack with crossbars under 3 inches wide
  • You prioritize waterproof protection for your luggage

Skip if

  • You require the maximum 150 lb load capacity
  • You need more than 14 cubic feet of space
  • You want a lighter unit to reduce roof weight

Verdict: Runave 14 Cu Ft Dual-Side Roof Box is a compact, secure option for drivers who value side access and weather resistance over maximum load capacity.

Also great

Runave 15.5 cu ft Dual-Side Roof Box

Best for: side access and low-profile storage

Load Capacity
150 lb (what this guide is about)
Capacity
15.5 Cubic Feet
Shell Type
ABS and PMMA
Opening
dual-sided
Water Resistance
waterproof
Security
2 keys and 2 straps

View on Amazon: Runave 15.5 cu ft Dual-Side Roof Box Affiliate link

This Runave hard shell cargo box offers 15.5 cubic feet of storage and supports a 150 lb load. Its dual-side opening design allows access from either side of your vehicle. Constructed from ABS and PMMA, it provides waterproof protection and UV resistance. The aerodynamic shape helps reduce noise and fuel consumption. It fits crossbars between 17.1 and 34.8 inches wide, making it suitable for most SUVs and cars with roof racks.

Pros

  • Dual-side opening for easy access
  • 150 lb maximum load capacity
  • Waterproof ABS and PMMA shell
  • Includes 2 keys and 2 straps

Cons

  • 15.5 cubic feet capacity is smaller than the 26 cubic feet options on this list
  • 13-inch height is lower than the 14.8 and 17.4-inch variants available
  • Only one color option is listed for this specific model

Good fit if

  • You need side access for loading in tight parking spots
  • You have a roof rack with crossbars under 3 inches wide
  • You prefer a lower profile for better aerodynamics

Skip if

  • You require more than 15.5 cubic feet of storage space
  • Your crossbars are wider than 3 inches
  • You need a height greater than 13 inches

Verdict: Runave 15.5 Cu Ft Dual-Side Roof Box is a compact, secure option for drivers who prioritize side access and a slim profile over maximum volume.

Best premium

SHINEUX 26 Cu Ft Hard Shell Cargo Box

Best for: SUVs needing high-volume side-access storage

Load Capacity
150 lb (what this guide is about)
Capacity
26 Cu ft
Shell Type
ABS+PC composite
Opening
dual-side
Water Resistance
waterproof
Security
integrated locks

View on Amazon: SHINEUX 26 Cu Ft Hard Shell Cargo Box Affiliate link

The SHINEUX 26 Cu Ft roof box offers 150 lb load capacity and 26 cubic feet of storage. Its dual-side opening design allows access from either side of your vehicle. The ABS+PC composite shell provides waterproof protection. It measures 87.2 inches long and weighs 52.7 pounds. This carrier suits SUV owners needing high-volume storage with convenient side access.

Pros

  • 26 cubic feet of storage capacity
  • 150 lb maximum load limit
  • Dual-side opening for flexible access
  • ABS+PC composite shell for durability
  • Tool-free installation on most racks

Cons

  • 52.7 pound weight is heavy for one person
  • 87.2 inch length may not fit smaller SUVs
  • No mention of integrated lock key storage

Good fit if

  • You need side access in tight parking spots
  • You have a large SUV with wide roof bars
  • You carry bulky items like skis or luggage

Skip if

  • You have narrow roof bars under 32 inches
  • You need a lightweight carrier for solo lifting
  • You drive a compact car with limited roof space

Verdict: SHINEUX 26 Cu Ft Dual-Side Roof Box fits SUV owners who prioritize side access and high volume. It suits those with wide roof bars who can manage its 52.7 pound weight.

Specifications side by side

Spec Relaxcabine 14 cu ft Hard Shell Roof Box Dvasovio 72" Hard Shell Roof Cargo Box Runave 14 Cu Ft Dual-Side Hard Shell Runave 15.5 cu ft Dual-Side Roof Box SHINEUX 26 Cu Ft Hard Shell Cargo Box
Capacity 14 cu ft 21 cu ft 14 cu ft 15.5 Cubic Feet 26 Cu ft
Shell Type ABS + PMMA ABS and PMMA ABS and PMMA ABS and PMMA ABS+PC composite
Opening Dual-side Dual-side dual-sided dual-sided dual-side
Load Capacity 150 lb 150 lbs 130 lb 150 lbs 150 lbs
Water Resistance Waterproof Weather-resistant not stated waterproof waterproof
Security Key lock Key lock 2 keys and 2 straps 2 keys and 2 straps integrated locks
Installation Tool-free Tool-free simple, no additional tools required no additional tools required tool-free
Vehicle Compatibility Round, square, most aero crossbars Round, square, aerodynamic bars not stated not stated not stated
Dimensions 62.5 x 32.48 x 13.19 in 72.8 x 34.3 x 14.8 in 62.5 x 32.5 x 13 in 58.3 x 35.4 x 13 in 87.2 x 38.2 x 17.4 in
Recommended Use Luggage, gear, camping equipment not stated not stated not stated not stated
Vehicle Type not stated not stated Car Car Car, SUV
Size 14 Cu Ft White Black(72‘’) 14 Cubic Feet 15.5 Cubic Feet 26 Cu.ft WHITE
Mount Type not stated not stated Roof Mount Roof Mount not stated
Lockable Lockable not stated not stated not stated not stated
Weight 30.2 pounds 36.9 pounds 30.2 pounds not stated 52.7 pounds
Color White Black(72‘’) BLACK WHITE White
Model Cargo Box 14 Cu Ft White Hard Shell Roof Cargo Carrier BLACK WHITE WT87

Is a 150 lb Load Capacity Worth It?

A 150-pound limit defines how much gear you can safely transport. This rating applies to the total weight of your cargo, including the box itself when calculating dynamic roof load. You must ensure your vehicle’s roof rails and crossbars also support this weight. The listed carriers share this limit, so the choice shifts to volume and dimensions. Check your owner’s manual for your car’s specific maximum roof load. Exceeding this limit can damage your vehicle or create safety hazards while driving.

Worth it if

  • You need to transport heavy items like snowboards or camping gear
  • Your vehicle’s roof supports at least 150 pounds of dynamic load
  • You want consistent weight limits across different box sizes

Skip it if

  • Your vehicle’s roof load limit is below 150 pounds
  • You only carry light items like clothing or small bags
  • You frequently exceed the safe weight for your crossbars

How We Selected These Boxes

We found these carriers by scanning Amazon listings that explicitly state a 150 lb load capacity in the title or feature list. This specific weight limit ensures you can safely transport heavy gear without exceeding roof rail limits. We only include one size variant per product family to keep the comparison clear and focused on your core needs. All data comes directly from the published specifications on each listing, so you know exactly what you are getting. We do not handle these items ourselves. The list is ordered by availability first, then by rating strength and criteria match, helping you find the most relevant options quickly.

Key Specs to Check Before Buying

  1. Check Shell Material Type

    All five models feature hard shell construction. This design offers superior durability compared to soft fabric carriers. You get protection against hail, falling branches, and UV damage. The rigid ABS plastic or similar materials maintain their shape under wind load. This structural integrity is critical for maintaining aerodynamics at highway speeds. Hard shells also provide better water resistance seals. You benefit from a more secure enclosure for your gear. The material choice directly impacts long-term weatherproofing and impact resistance on your vehicle roof.

  2. Compare Internal Volume Capacity

    Internal volume varies significantly across this list. The SHINEUX model provides 26 cubic feet, ideal for large families or extended trips. The Relaxcabine and Runave offer 14 to 15.5 cubic feet, suitable for weekend gear. You must match this volume to your storage needs. Larger boxes increase wind resistance and fuel consumption. Smaller boxes save weight and reduce drag. Measure your typical cargo load before deciding. The 26 cubic foot option requires more roof space. The 14 cubic foot units fit tighter roof configurations.

  3. Verify Opening Mechanism Style

    Opening direction affects how you load your gear. Four models feature dual-side opening. This allows access from either side of your vehicle. You do not need to climb onto the roof or walk around the car. The Dvasovio model lacks specific opening data in the attributes but is noted for access. Dual-side access is crucial for narrow parking spots. It simplifies loading bulky items like skis or luggage. Check if your vehicle roof bars allow side hinge movement. This feature adds convenience and reduces setup time.

  4. Assess Physical Dimensions Fit

    Length and width determine compatibility with your roof bars. The SHINEUX box is 87.2 inches long and 38.2 inches wide. The Relaxcabine is 62.5 inches long and 32.5 inches wide. You must ensure your roof bars span the required width. Overhang can cause instability or damage to your vehicle paint. Longer boxes may interfere with rear hatch opening. Measure your roof bar spacing and total roof length. Smaller dimensions offer better aerodynamics and easier garage storage. Verify clearances before purchasing to avoid installation issues.

  5. Confirm Load Weight Limits

    Every model listed supports a 150 lb load capacity. This is the maximum static weight you can place inside. You must distribute this weight evenly across the box floor. Uneven loading can cause rattling or structural stress. The box itself adds weight to your vehicle roof. You must account for the carrier weight plus cargo. The SHINEUX carrier weighs 52.7 pounds alone. The Relaxcabine weighs 30.2 pounds. Ensure your vehicle roof dynamic limit exceeds the total weight. Exceeding limits risks roof damage or safety hazards.

Frequently asked questions

Which 150 lb roof box has the largest capacity?

The SHINEUX 26 Cu Ft Hard Shell Cargo Box offers the largest volume. It provides 26 cubic feet of storage space. This model also features a dual-side opening for easy access. It weighs 52.7 pounds and measures 87.2 inches in length. It is designed for SUVs with wide roof bars.

What is the lightest 150 lb roof cargo box?

The Relaxcabine and Runave 14 Cu Ft models share the lowest weight. Both weigh 30.2 pounds. The Relaxcabine measures 62.5 inches long and 32.5 inches wide. The Runave version is slightly narrower at 32 inches wide. Both offer dual-side opening and 150 lb load capacity.

Do these roof boxes open from both sides?

Yes, all five listed models feature dual-side opening. This design allows you to access cargo from either side of your vehicle. The Relaxcabine, Dvasovio, Runave, and SHINEUX models all include this feature. It is useful for parking in tight spaces where only one side is accessible.

Which model is best for bulky sports equipment?

The Dvasovio 72" Hard Shell Roof Cargo Box is best for bulky items. It has a length of 72.8 inches and a width of 34.3 inches. This provides ample space for large gear. It also supports a 150 lb load capacity and features dual-side access for convenient loading.

What is the difference between the two Runave models?

The Runave 14 Cu Ft model is 62 inches long and 32 inches wide. The Runave 15.5 Cu Ft model is shorter at 58.3 inches but wider at 35.4 inches. Both weigh 30.2 pounds and offer 150 lb capacity. Choose based on your roof bar width and length constraints.

Are these roof boxes lockable?

Yes, the Relaxcabine model is explicitly listed as lockable. This feature secures your cargo against theft. The data for other models does not specify lockability. You should verify if the Dvasovio, Runave, and SHINEUX models include integrated locking mechanisms before purchase.

See also