Picnic Cooler Bag

1. Keep food warm and cold, last for 4-8 hours

2. Three sizes, 6 cans, 12 cans and 18 cans 

3. Adjustable shoulder strap, detachable

4. Free of toxic material safe for using, water leakage proof

5. Ready stock no MOQ, wholesale supplier of backpacks, two colors available.

6. Small MOQ for cutomized order.