Thick material, good pressure resistance.
Wide-side sealing,no water leakage.
Slowing down melting, automatic sealing, non-toxic and reusable.
Medicl ice pack, ice compress after cosmetic surgery, outdoor food froze package, express refrigerated transport package. Refrigerated lunch, fruit, cold drinks, etc.
Perfect for Home, Outdoor, Picnic, Barbecue, Courier. It can keep your food fresh.