SPARTER Backpack Cooler Insulated 49 Cans - 20 Hour Cold Retention

Our review of the SPARTER Backpack Cooler finds it best for small groups and outdoor days when portability and organized storage matter most. The single biggest reason to buy is its dual insulated compartments and thick 8 mm foam construction, which deliver reliable cold retention for long beach days or short camping trips while keeping hands free. It is a practical, lightweight alternative to a rigid cooler when you need room for drinks, snacks and extras without hauling a bulky case.

Key Features

• 20 Hours Retention: Thickened 8 mm foam combined with a silver PEVA seal helps keep beverages cold for extended outings like beach picnics and day hikes.
• Leak-proof Liner: The interior uses a seamless hot-pressing process to resist leaks across the liner surface for easier cleanup after use.
• Double Insulated Compartments: Two separate insulated sections let you store cold drinks in one compartment and dry foods or warm items in the other without cross-contamination.
• Ample Capacity: The 17.5in H x 11.75in L x 8in W pack holds up to 49 cans, making it roomy enough for meals and beverages for 2 to 4 people.
• Water Resistant & Lightweight: High-density nylon with a waterproof PU coating sheds splashes while padded straps and back make it easier to carry than a hard cooler.
• Built-in Convenience: Exterior pockets, side pockets, a large front pocket and a included bottle opener help keep small items organized and accessible.

Who It's For

This cooler backpack is ideal for beachgoers, picnic groups, day campers, anglers and anyone who needs hands-free transport of drinks and snacks for small groups. Its lightweight build and padded shoulder straps suit people who prefer walking or biking to their destination rather than driving with a heavy cooler.

Those who need a fully leakproof cooler for ice melt or plan to store liquids standing upright should be cautious: the liner resists leaks but the main zipper is not leakproof. People requiring heavy-duty long-term durability under rough commercial use may want a reinforced, rigid cooler instead.

Pros & Cons

Pros

• Strong cold retention from 8 mm foam and silver PEVA for long days outdoors.
• Two insulated compartments provide flexible packing and separation of items.
• Lightweight, water resistant exterior with multiple pockets for organized storage.
• Large capacity fits up to 49 cans while remaining comfortable to carry.

Cons

• Zipper is not leakproof, so tipping the bag can let liquids escape.
• Some users report mixed durability, especially under heavy repetitive loads.

Specifications

Brand	SPARTER
Capacity	Holds up to 49 cans (330 ml)
Dimensions	17.5in H x 11.75in L x 8in W
Insulation	8 mm thick foam with silver PEVA seal
Compartments	Two insulated compartments plus front and side pockets
Exterior	High-density nylon with waterproof PU coating

Our Verdict

The SPARTER Backpack Cooler is a smart buy for people who want a portable, well-organized soft cooler that keeps drinks cold for most of the day. It delivers strong storage capacity and convenience for small groups and day trips, though users who need absolute leakproof sealing or heavy commercial durability should consider alternatives.

Frequently Asked Questions

How long will it keep drinks cold?
With its 8 mm foam and silver PEVA lining it can retain cold for up to about 20 hours in typical day use conditions.

Is the liner fully leakproof?
The liner uses seamless hot pressing to resist leaks across the interior, but the main zipper is not leakproof so avoid tipping it when filled with ice or liquids.

How many people can it serve?
At 49-can capacity it is roomy enough to supply drinks and snacks for about 2 to 4 people on a day outing.