Maelstrom MSCB04 30-Can Collapsible Soft Cooler

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Product guide

Maelstrom MSCB04 30-Can Collapsible Soft Cooler

Collapsible: The Maelstrom MSCB04 soft cooler is listed for up to 30 cans and combines a foldable design with a quick-access top flap and multiple pockets. Its capacity and storage layout suit day trips, but customer feedback is mixed on leak containment and ice retention.

At a glance

A hook-and-loop top flap is intended to provide access without opening the main zipper.
The listing describes room for up to 30 standard-size cans and 2 ice packs.
Five pockets provide separate storage for smaller items.
Collapsible construction is described as useful for storage when the cooler is empty.

Price

$27.88Save 20%

Reference price: ~~$34.99~~

Price checked: Nov 14, 2026

View offer

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Pros and cons

Pros

Quick-access flap can reduce the need to open the main zipper for frequently used items.
Five listed pockets help separate accessories from the cooler compartment.
The claimed 30-can capacity and included adjustable shoulder strap support carrying supplies for outings.

Cons

The listed dimensions and 9.9-liter capacity are not straightforward to reconcile with the 30-can claim, so the capacity may not match every buyer's expectations.
Customer feedback includes reports of ice melting within four hours, limiting confidence in long-duration cooling.

Technical specifications

18 specifications

Identity
Brand	Maelstrom
Model	MSCB04

Capacity and construction
Listed capacity	9.9 liters
Can capacity claim	30 Cans (330ml each)
Materials	Polyester, Polyethylene Vinyl Acetate (PEVA)
Insulation material	Polyethylene Vinyl Acetate (PEVA)
Shell type	Soft
Insulation claim	5 layers of different PEVA soft liner materials

Features and care
Opening	Top Velcro Opening
Pockets	2 side mesh pockets, 2 front zipper pockets, and 1 back pocket
Water resistance listed	Waterproof
Cold retention claim	16 hours
Care	Wipe with Damp Cloth
Color	White
Folding	Foldable for easy storage

Dimensions and weight
Dimensions listed	15.75"D x 11.81"W x 3.15"H
Weight listed	1.9 pounds
Chamber depth	11 inches

What to know before buying

Listing details to confirm

Listing details are inconsistent: 9.9 liters and dimensions of 15.75"D x 11.81"W x 3.15"H appear alongside a 30-can claim, while the chamber depth is separately given as 11 inches. The listing also claims 16-hour cold retention, but customer feedback includes ice melting within four hours and conflicting reports about leakage. These are claims and reported experiences, not proof of a specific unit's performance.

What’s in the box

Included

Cooler bag
Bottle opener
Adjustable shoulder strap

Who is it for?

A good fit for

Day trips, picnics, beach outings and grocery runs where foldable storage and separate pockets are useful.
Buyers who want a shoulder strap and quick-access flap for frequently used drinks or snacks.

Less suited to

Buyers who need reliably verified all-day ice retention or leak containment.
Anyone choosing a cooler based on precise usable volume without first confirming the conflicting capacity and dimension details.

Maelstrom MSCB04 30-Can Collapsible Soft Cooler · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 625 ratings

5 stars79%79%
4 stars10%10%
3 stars5%5%
2 stars2%2%
1 star4%4%

Customer feedback highlights perceived capacity, durability, pocket storage and temperature retention, with some people describing it as useful for food and drinks on beach outings. Experiences are mixed on leakage, and some report ice melting within four hours. For buyers considering the listed 30-can capacity and 16-hour cold-retention claim, those reports make dependable long-duration cooling and leak containment uncertain.

Positive themes

Customers describe the capacity as useful for carrying food and drinks for a group.
Feedback mentions durability, sturdy shoulder straps and practical pocket storage.

Negative themes

Some customers report ice melting within four hours.
Some feedback describes melted ice leaking onto the floor.

Mixed feedback

Leak experiences differ, with some reporting no leaks and others reporting leakage.

Frequently asked questions

How many cans does the Maelstrom MSCB04 hold?

The listing claims up to 30 cans of 330 ml each, but also lists 9.9 liters and dimensions that do not clearly align with that claim. Confirm usable capacity if the fit is important.

Does it keep ice for 16 hours?

The listing claims up to 16 hours of cold retention. Customer feedback is mixed and includes reports of ice melting within four hours, so the stated duration should not be treated as guaranteed.

Is the cooler leakproof?

The listing describes it as leakproof, but customer feedback conflicts, with some reporting no leaks and others describing melted ice leaking onto the floor.

What is included?

The listed contents are the cooler bag, bottle opener and adjustable shoulder strap.