# What are the lightest and most portable freezer bags available? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the lightest and most portable freezer bags available?

## Products

### Epik Workwear Premium Insulated Bag B508-48
```yaml
product: epik-workwear-premium-insulated-bag-b508-48
brand: Epik Workwear
price_gbp: 41.85
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: 11 x 21 x 12 in
material: Quilted polyester with poly insulation
seal_type: Heavy-duty YKK zipper
```

- **Price:** £41.85 [^1]
- **Summary:** This 48-cubic insulated bag uses quilted polyester with poly insulation, a water-resistant exterior, reinforced handles, and a heavy-duty YKK zipper. It suits food logistics, cold storage, and transporting chilled or frozen goods.
- **Ideal For:** At 1.814 kg and measuring 11 x 21 x 12 in, this compact 48-cubic bag is a relatively portable option for carrying chilled or frozen goods.

### REI Co-op Campwell 18 L Folding Cooler
```yaml
product: rei-co-op-campwell-18-l-folding-cooler
brand: REI Co-op
price_gbp: 20.61
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: Cube: 13 x 10 x 9 in; collapsed/flat: 21 x 18 x 1 in; capacity: 18 liters
material: Recycled polyester; base and lining: recycled polyester
seal_type: Straight-zip
```

- **Price:** £20.61 [^2]
- **Summary:** This lightweight 18-liter soft cooler uses recycled polyester and folds into a tote, cube, or nearly flat shape for convenient storage. It has a leakproof liner, wide-mouth zip opening, front pocket, and removable padded shoulder strap, making it suitable for day trips, picnics, grocery runs, and short outings.
- **Ideal For:** It suits people seeking a light and portable freezer bag because it weighs 1 lb 2.3 oz, folds flat to 21 x 18 x 1 in, and includes a removable padded shoulder strap.

### REI Co-op Campwell Pack Cooler
```yaml
product: rei-co-op-campwell-pack-cooler
brand: REI Co-op
price_gbp: 73.77
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: 31 liters; 19 x 12 x 10 in
```

- **Price:** £73.77 [^3]
- **Summary:** The Campwell Pack Cooler is a 31-liter backpack-style cooler with a 2 lb. 7 oz. weight and compact 19 x 12 x 10 in dimensions. Its portable design suits camping, picnics, day trips, and other activities where hands-free carrying is useful.
- **Ideal For:** It suits shoppers seeking lightweight, portable freezer bags because it weighs only 2 lb. 7 oz. and has a backpack-style design, although its 31-liter capacity makes it less compact than smaller freezer bags.

---
## References & Sources
[^1]: Epik Workwear, accessed 2026-09-13. https://epik.us.com/products/premium-insulated-bag
[^2]: REI, accessed 2026-09-13. https://www.rei.com/product/245796/rei-co-op-campwell-18-l-folding-cooler
[^3]: REI Co-op, accessed 2026-09-13. https://www.rei.com/product/C03100/rei-co-op-campwell-pack-cooler