• Size: 50 x 30 x 30cm
• Major Material:600D
• Thermal Type
• Use: for can. food, wine

Waterproof backpacks:
1,Waterproof grade is IPX7;
2,Watertight & airtight,which could be used as life-buoy for life saving;
3,Food grade quality;
4,Durable and strong.