6 Best Alternatives to the MARKSIGN Truck Bed Cargo Bag (2026)

How each alternative compares

Mockins 30 cu ft Soft-Shell Vinyl Roof Bag

The Mockins 30 cu ft bag shifts storage from the bed to the roof. It measures 60x43x20 inches and weighs 15.5 pounds, making it slightly heavier and longer than the 57x48x22 inch MARKSIGN. You gain the ability to mount it on bare roofs without crossbars, which preserves bed space for other uses. However, you lose the 34 cu ft capacity and the integrated ratchet straps. The Mockins relies on a soft-shell vinyl design that packs smaller for storage. This option suits drivers who need flexible roof storage without installing a rack system, accepting a smaller volume for easier installation.

Rough Country Truck Bed Cargo Storage Box 48-Inch

The Rough Country 48-Inch box is a rigid container rather than a soft bag. It measures 47.4x20.5x12.4 inches and weighs only 8 pounds, significantly lighter than the 10.3 pound MARKSIGN. This compact footprint is designed for compact bed trucks, offering tailgate access without climbing into the bed. You give up the 34 cu ft volume and waterproof PVC shell for a hard-sided, lockable structure. The rigid walls protect gear from impact better than soft vinyl. This alternative fits drivers who prioritize easy tailgate access and durable protection over maximum flexible storage space in smaller truck beds.

HubPax 20 cu ft Roof Basket & Bag

The HubPax 20 cu ft bundle combines a roof basket with a soft bag. It measures 65x39x6 inches and mounts on crossbars, unlike the bed-mounted MARKSIGN. You gain a versatile system for carrying bulky gear in rain, with the basket providing a base for the bag. The total capacity is 20 cu ft, much less than the 34 cu ft MARKSIGN. The low profile at 6 inches high reduces wind resistance compared to taller bags. This option suits travelers who already have roof racks and need a weather-resistant solution for bulky items, accepting lower capacity for a combined basket-and-bag utility.

Thule GateMate Pro Tailgate Pad

The Thule GateMate Pro is a specialized pad for carrying bikes, not general cargo. It measures 53x17x5 inches and weighs 6 pounds, far lighter and smaller than the MARKSIGN bag. It mounts on the tailgate of full-size trucks, protecting the paint while holding up to eight bikes. You give up all general cargo storage space for a dedicated bike-carrying solution. The pad does not offer waterproofing or volume for luggage. This alternative fits buyers who prioritize tailgate protection and bike stability over multi-purpose cargo space, making it a niche choice rather than a direct storage replacement.

VEVOR 60" Hitch Cargo Carrier 500 lbs

The VEVOR 500 lb Hitch Cargo Carrier mounts behind the vehicle rather than in the bed or on the roof. It measures 59.9x24x5.98 inches and weighs 53.8 pounds, much heavier than the MARKSIGN. It includes a waterproof bag and net, offering 500 lb load capacity for heavy gear. You gain immense weight tolerance and secure storage away from the cabin, but you lose the 34 cu ft internal volume and the ability to use the truck bed. This option suits drivers who prioritize heavy-load capacity and weather-resistant storage on SUVs or trucks, accepting the bulk and hitch-mount requirement for superior strength.

Eylar SRX-175 Overlanding Cargo Case

The Eylar SRX-175 is a rotomolded hard case measuring 47.2x18.4x13.2 inches. It weighs more than the MARKSIGN but offers rigid, lockable protection. The 175-liter capacity is comparable to the 34 cu ft bag, but the hard shell provides superior impact and water resistance. You gain a durable, organized storage solution for overlanding and wet weather camping, but you lose the flexible, foldable nature of the soft PVC bag. The rigid shape limits fitting into irregular spaces. This alternative fits truck bed and roof rack users who prioritize gear protection and organization over flexible, lightweight storage options.

Quick picks

Our 7 picks

1 Best overall

Marksign 34 cu ft Truck Bed Cargo Bag

Best for: Full-size truck owners needing flexible storage

Capacity

34 cu ft

Shell Type

Heavy duty PVC

Opening

3-sided zipper

Water Resistance

Waterproof, weatherproof

Installation

4 built-in ratchet straps

Vehicle Compatibility

Full-size pickup trucks

View on Amazon: Marksign 34 cu ft Truck Bed Cargo Bag

The MARKSIGN 34 Cu.Ft. Truck Bed Cargo Bag offers 57 x 48 x 22 inches of storage for full-size pickups. Its high-frequency welded PVC shell provides waterproof protection without needle holes. A three-sided zipper allows easy access from the top and sides. Four built-in ratchet straps secure the bag to bed anchors. Weighing 10.3 pounds, it includes reinforced handles for carrying.

Pros

• 34 cubic feet capacity holds multiple large items
• Waterproof PVC shell with high-frequency welded seams
• Three-sided zipper for top and side access
• Four built-in ratchet straps with tidy storage

Cons

• 10.3 pound weight adds to vehicle load
• Only fits full-size pickup trucks
• No mention of internal dividers or organization

Good fit if

• You own a full-size pickup truck
• You need waterproof storage for camping gear
• You want easy access without unloading everything

Skip if

• You drive a mid-size or compact truck
• You need a rigid hard-shell container
• You require a hitch-mounted carrier

Verdict: MARKSIGN 34 Cu.Ft. Truck Bed Cargo Bag fits full-size truck owners who need flexible, weatherproof storage. It suits those prioritizing capacity and easy access over rigid protection.

2 Best budget

Mockins 30 cu ft Soft-Shell Vinyl Roof Bag

Best for: roof storage without crossbars

Capacity

30 cu ft

Shell Type

soft-shell vinyl

Water Resistance

waterproof

Security

combination lock

Vehicle Compatibility

vehicles with or without roof rack

Dimensions

60 x 43 x 20 in

View on Amazon: Mockins 30 cu ft Soft-Shell Vinyl Roof Bag

The Mockins 30 CuFt roof bag offers 60x43x20 inch storage in a soft vinyl shell. It weighs 15.5 pounds and fits vehicles with or without roof racks. The design includes a waterproof zipper, door hooks, and a protective mat. You get a carry case and combination lock for security. This setup frees up interior space for SUVs and trucks.

Pros

• 30 cubic feet capacity
• Fits vehicles with or without roof racks
• Includes protective roof mat and door hooks
• Waterproof vinyl with welded seams
• Comes with a combination lock

Cons

• Soft-shell vinyl is less rigid than hard cases
• 15.5 pound weight adds to roof load
• No mention of aerodynamic shaping for noise reduction

Good fit if

• You need extra storage for SUVs or trucks
• You want to use a roof bag without crossbars
• You prefer a soft bag that folds for storage

Skip if

• You require a rigid hard-shell cargo box
• You need more than 30 cubic feet of space
• You want a product with integrated aerodynamic wings

Verdict: Mockins 30 CuFt Soft-Shell Roof Bag provides ample volume for families needing flexible roof storage. It suits drivers who value easy installation on bare roofs and want a waterproof solution that packs away small.

3 Also great

Rough Country Truck Bed Cargo Storage Box 48-Inch

Best for: compact bed trucks needing tailgate access

Capacity

48-Inch Bed Opening

Installation

Quick Removable Installation

Dimensions

47.4 x 20.5 x 12.4 inches

Vehicle Type

Truck

Weight

8 pounds

View on Amazon: Rough Country Truck Bed Cargo Storage Box 48-Inch

This Rough Country storage box fits trucks with a 48-inch bed opening. It measures 47.4 inches long, 20.5 inches wide, and 12.4 inches high. The unit weighs 8 pounds and uses carabiner hooks for quick installation. You can slide it toward the tailgate for easy access. It is designed to fit beneath most compatible truck bed covers. This compact box helps keep gear organized in your bed.

Pros

• Slides toward the tailgate for easy access
• Fits 48-inch bed openings specifically
• Weighs only 8 pounds for easy handling
• Attaches to existing tie-down points

Cons

• Limited to 48-inch bed openings only
• Low 12.4-inch height restricts tall items
• No lid option included in this specific size

Good fit if

• You own a truck with a 48-inch bed opening
• You need to slide gear toward the tailgate
• You want a lightweight box under 10 pounds

Skip if

• You have a 52-inch or 56-inch bed
• You require a waterproof sealed container
• You need to store items taller than 12 inches

Verdict: Rough Country Truck Bed Box 48-Inch is a practical solution for compact bed trucks. It suits drivers who need to access gear without climbing into the bed.

4 Best premium

HubPax 20 cu ft Roof Basket & Bag

Best for: carrying bulky gear in rain

Capacity

20 cu ft

Shell Type

Soft shell

Load Capacity

200 lbs

Water Resistance

Waterproof

Installation

4 sets of U-bolts

Vehicle Compatibility

Requires roof cross bars

View on Amazon: HubPax 20 cu ft Roof Basket & Bag

This HubPax set combines a 65 x 39 x 6 inch roof basket with a 20 cu ft waterproof soft-shell bag. It supports up to 200 lbs and mounts to crossbars using U-bolts. You get a complete kit including a cargo net and ratchet straps. It fits most SUVs and trucks with existing bars. This bundle offers substantial volume for gear, though the basket itself has low sides.

Pros

• 20 cu ft waterproof bag included
• 200 lbs total load capacity
• Complete kit with net and straps
• Universal fit for crossbars

Cons

• Basket sides are only 6 inches high
• Crossbars not included
• Bag is soft shell, not rigid

Good fit if

• You need a full cargo kit
• You want to protect gear from rain

Skip if

• You lack roof crossbars
• You prefer a rigid hard case

Verdict: HubPax 20 CuFt Roof Basket & Bag is a practical bundle for those who want a bag and basket together. It suits travelers who already have crossbars and need to carry bulky, weather-sensitive items.

5 Best bike

Thule GateMate Pro Tailgate Pad

Best for: carrying multiple bikes on full-size trucks

Load Capacity

Holds up to 8 bikes

Dimensions

53 x 17 x 5 in

Vehicle Type

Truck

Weight

6 pounds

View on Amazon: Thule GateMate Pro Tailgate Pad

The Thule GateMate Pro is a 6-pound tailgate pad designed for full-size trucks. It measures 53 by 17 by 5 inches and holds up to 8 bikes. Heavy-duty vinyl and adjustable padding protect your vehicle. Integrated straps keep bikes secure. Mesh pockets store small gear. It offers a stable base for transporting bicycles on your truck bed.

Pros

• Holds up to 8 bikes
• Heavy-duty vinyl construction
• Integrated bike separation straps
• Inside mesh pockets for gear

Cons

• Limited to bike transport only
• No built-in locking mechanism
• Requires manual strap adjustment

Good fit if

• You need a stable platform for multiple bikes
• You want to protect your tailgate from scratches
• You drive a full-size truck

Skip if

• You need to carry cargo other than bikes
• You drive a compact or mid-size truck
• You prefer a rigid hard case

Verdict: Thule GateMate Pro Full Size Pad is a specialized carrier for full-size trucks carrying up to 8 bikes. It suits buyers who prioritize tailgate protection and bike stability over multi-purpose cargo space.

6 Best 500 lb

VEVOR 60" Hitch Cargo Carrier 500 lbs

Best for: heavy loads in a waterproof bag

Load Capacity

500 lbs

Water Resistance

Waterproof

Dimensions

59.9 x 24 x 5.98 in

Vehicle Type

SUV

Mount Type

Hitch Mount

Includes Bag

With Bag

View on Amazon: VEVOR 60" Hitch Cargo Carrier 500 lbs

This hitch-mounted carrier offers 500 lbs of capacity in a 60 x 24 x 6 inch steel frame. It includes a waterproof PVC bag and a cargo net to secure your gear. The design folds for compact storage and resists rust with a powder-coated finish. It suits SUVs and trucks needing heavy-duty rear transport without consuming interior space.

Pros

• 500 lbs load capacity for heavy items
• Includes waterproof PVC storage bag
• Folds 90 degrees for compact storage
• Powder-coated steel resists rust and corrosion

Cons

• 53.8 lb weight makes installation heavy
• Only 6 inches of vertical clearance
• Requires a standard 2-inch hitch receiver

Good fit if

• You need to transport heavy, bulky loads
• You want a secure, weather-resistant bag included
• Your vehicle has a standard 2-inch hitch receiver

Skip if

• You have limited vertical clearance behind your bumper
• You prefer a lightweight, easy-to-handle carrier
• Your vehicle lacks a 2-inch hitch receiver

Verdict: VEVOR 500 lb Hitch Cargo Carrier is a robust solution for hauling heavy gear in a waterproof bag. It fits drivers who prioritize load capacity and secure, weather-resistant storage on their SUV or truck.

7 Best camping

Eylar SRX-175 Overlanding Cargo Case

Best for: rugged overlanding and wet weather camping

Capacity

175L

Shell Type

rotomolded hard case

Water Resistance

100% Waterproof

Dimensions

47.2"L x 18.4"W x 17.9"H

Vehicle Type

Truck

Recommended Use

Camping

View on Amazon: Eylar SRX-175 Overlanding Cargo Case

The Eylar SRX-175 is a 175-liter rotomolded hard case measuring 47.2 by 18.4 by 17.9 inches. It features a 100% waterproof seal with a heavy-duty rubber gasket and a built-in drain plug. The lid stays open via gas struts, and four lockable latches secure your gear. This rigid box suits truck beds and roof racks where you need organized, weatherproof storage for camping or overlanding.

Pros

• 175L capacity with rotomolded hard shell
• 100% waterproof seal with rubber gasket
• Hands-free gas strut lid stays open
• Four lockable latches for security
• Built-in drain plug for easy cleanup

Cons

• Heavy at 38.5 lbs
• Padlock sold separately
• No internal lighting

Good fit if

• You need waterproof protection for sensitive gear
• You want a rigid box that stacks securely
• You prefer a lid that stays open while loading

Skip if

• You need a lightweight soft-sided bag
• You want a budget-friendly option
• You require a built-in lock mechanism

Verdict: Eylar SRX-175 175L Rotomolded Case offers rugged, dry storage for overlanders who prioritize gear protection and organization. It fits truck beds and roof racks where you need to keep contents safe from rain and mud.

Specifications side by side

Frequently asked questions

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