ZEN Roll Top Cooler
ZEN Roll Top Cooler
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Outside: Tyvek (high-density polyethylene) / Insulation: polyurethane foam / Inner layer: PEVA
【Size S (about 7L)】: (height) 33cm × (width) 20.5cm × (gusset) 14.5cm × (opening) 28cm 【Size M (about 10L)】: (height) 32.8cm × (width) 22cm × (gusset) 16cm × (opening) 37cm
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ZEN Roll Top Cooler
Function introduction video
The outer material uses Tyvek, which has a pleasant texture like high-quality paper, along with high strength, waterproofness, and light weight.
Extremely lightweight and compact, perfect not only for camping but also for carrying lunch or rice balls to the office, park, beach, pool, fireworks festivals, music festivals, and more!
4 types total (color & size)
Please enjoy the unique wrinkles and texture of the material.
Storage examples
*Fits a 6-pack of 500ml cans as is
High cooling power with 3-layer construction
The body has a 3-layer structure that securely traps cold air.
- Outer: Tyvek (high-density polyethylene)
- Insulation: Polyurethane foam
- Inner: PEVA
Velcro & sealed design
The opening can be folded 2-3 times and secured with a buckle after fastening the Velcro. This seals in the cold air and keeps the contents cooler for longer.
Cooling performance test
Test conditions
・Outside temperature: 30℃
・Measurement time: 10:00–13:00
・Measurement target: surface temperature of refrigerated canned beer
| Elapsed time | Roll TOP Cooler | Without cooler |
|---|---|---|
| At start | 6.5℃ | 6.5℃ |
| After 30 minutes | 9.8℃ | 22.1℃ |
| After 1 hour | 13.6℃ | 29.5℃ (room temperature) |
| After 1 hour 30 minutes | 15.6℃ | - |
| After 2 hours | 18.7℃ | - |
| After 2 hours 30 minutes | 19.6℃ | - |
| After 3 hours | 21.1℃ *Temperature at which coldness is felt |
- |
Test results
・When using the Roll TOP Cooler, it maintains a temperature where you can still feel the cold (21.1℃) even after 3 hours
・3-layer insulation × Roll-top design locks in the cold air securely
*Keeping ice packs or ice inside helps maintain coldness longer.
Ideal for preventing food spoilage and keeping things cold
Rice balls
Sandwiches
Ice cream
Cheese and chilled foods
With mini pocket
For holding snacks or appetizers.
Message printed on the back
Comes with a strap that can be hung on a hook
SPEC
[Body Size]
Size S (approx. 7L)
(Height) 33cm × (Width) 20.5cm × (Depth) 14.5cm × (Opening) 28cm
Size M (approx. 10L)
(Height) 32.8cm × (Width) 22cm × (Depth) 16cm × (Opening) 37cm
[Weight]
Size S: approx. 110g
Size M: approx. 128g
[Material]
Outer: Tyvek (high-density polyethylene)
Insulation: Polyurethane foam
Inner: PEVA
FAQ|Frequently Asked Questions
How long can it keep things cold?
Are ice packs necessary?
Which is recommended, S size or M size?
[S size (approx. 7L)]
Lunch boxes, rice balls, a few drinks, solo camping
[M size (approx. 10L)]
6-pack of 500ml cans, drinks for multiple people, carrying food, family camping
Can it hold a 500ml PET bottle?
Is it waterproof?
What is Tyvek material?
Can it be folded for storage?
Can it be washed?
Can it be used outside of camping?
What is the difference between soft coolers and hard coolers?
Product After Support
1-year warranty
The product comes with a one-year warranty from the date of purchase. We take great care in shipping our products, but if any issues arise, please contact us via Line.
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