Maelstrom MSCBP Insulated Cooler Backpack

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Product guide

Maelstrom MSCBP Insulated Cooler Backpack

The Maelstrom MSCBP insulated cooler backpack is a soft-sided pack with multiple storage pockets and adjustable padded shoulder straps. Its listed dimensions and capacity differ from other size and can-count claims in the listing, so buyers should confirm the configuration before choosing it for a specific load.

At a glance

Several zippered compartments, two mesh side pockets, an elastic front net and a hidden back pocket are described for separating food and small items.
The product listing claims up to 16 hours of hot or cold retention, while another description specifies use with freeze packs for cooling.
The shoulder straps are described as adjustable, padded and breathable, with an adjustable chest buckle and a built-in whistle.
The listing describes a shoulder-strap bottle opener and attachment points for carrying small gear.

Price

$30.55Save 24%

Reference price: ~~$39.99~~

Price checked: Nov 14, 2026

View offer

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$6.97

Pros and cons

Pros

Backpack carry and multiple storage areas can help organize food, drinks and small essentials for outings.
The claimed bottle opener and adjustable straps add useful carry-focused features for picnics and day trips.
Customer feedback reports favorable temperature retention and storage space.

Cons

Hand-wash-only care is less convenient than machine-washable alternatives.

Technical specifications

15 specifications

Identity
Brand	Maelstrom
Model	MSCBP
Listed size	35 Can
Color	Orange
Pattern	Solid

Capacity and dimensions
Listed capacity	39 liters
Product dimensions	8.97"D x 12.87"W x 18.72"H
Main chamber height	9 inches
Weight	15.2 ounces

Materials and care
Material listed	Polyester, Polyethylene Vinyl Acetate (PEVA)
Insulation material	Polyethylene
Care instructions	Hand Wash Only

Features
Features listed	Adjustable Strap, Insulated, Leak Proof
Recommended uses	Beach Picnics, Hiking, Camping, Fishing,Traveling, Shopping, Work, Daily Use
Warranty description	1 year warranty

What to know before buying

The explicit contents list names a bag and bottle opener. Other text describes a handle, chest buckle whistle and storage features, but does not clarify whether any additional accessories are separately included.

Listing details to confirm

Listing details are contradictory or unconfirmed: capacity is given as 39 liters, 35 liters, 32 liters and 27 liters, with claims of 35 cans and 35/50-can sizing. Dimensions also vary between 8.97"D x 12.87"W x 18.72"H and 19”x 13”x 9”. Cold-retention claims range from up to 16 hours to cooling for hours below 15℃ with freeze packs. The leakproof claim is not consistent with customer reports that some bags leak at the zipper. Confirm the selected listing's size and performance terms before buying.

What’s in the box

BagIncluded
Bottle openerIncluded
Additional accessoriesCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Picnics, beach visits, camping, hiking and day trips where backpack-style cooler carry and separate pockets are useful.
Buyers who want a soft cooler with space for food and drinks plus pockets for small belongings.

Less suited to

Buyers who need one clearly confirmed can capacity or exact internal volume before purchase.
Buyers who require a verified leakproof seal or a guaranteed cooling duration for a particular outing.

Maelstrom MSCBP Insulated Cooler Backpack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 5,843 ratings

5 stars77%77%
4 stars13%13%
3 stars4%4%
2 stars2%2%
1 star4%4%

Customer feedback describes the backpack as spacious and praises reported temperature retention, quality and usefulness for outings. Experiences with leakage are mixed, including reports of zipper leaks. For buyers relying on the listed insulated compartment, that matters when carrying liquids, and reported cooling performance should not be treated as a guaranteed duration because the listing's own claims vary and mention freeze packs.

Positive themes

Customers report favorable temperature retention and generous storage space.
Some customers describe it as useful for beach outings and appreciate its functionality.

Mixed feedback

Leakage feedback is mixed, with some customers reporting no leaks and others mentioning leaks at the zipper.

Frequently asked questions

How much can the Maelstrom MSCBP hold?

The listing gives conflicting capacity figures, including 39 liters, 35 liters, 32 liters and 27 liters, as well as a 35-can claim. Confirm the exact configuration with the selected listing.

How long does it keep items cold?

The listing claims up to 16 hours, but another description qualifies cooling as lasting for hours below 15℃ with freeze packs. Treat duration as conditional rather than a guaranteed result.

Is the cooler leakproof?

The listing describes a leakproof liner, but customer feedback is mixed, including reports of leakage at the zipper. Avoid relying on it to contain liquid without checking the sealing details.

What is included?

The explicit included-components list names a bag and bottle opener. The listing does not provide a clear separate package inventory for other described features.