Waterproof Backpack,30L TPU Dry Bag with Phone Case, Floating Waterproof Bag with Airtight Zipper,Black ใ๐๐๐% ๐๐๐ญ๐๐ซ๐ฉ๐ซ๐จ๐จ๐ใThe TPU material and the air-tight zipper make the backpack 100% waterproof. The air valve blows air into the backpack to keep it afloat on the water. The backpack also includes a waterproof phone case, which will be suitable for your diverse travel activities. ใ๐๐ข๐ ๐ก๐ญ๐ฐ๐๐ข๐ ๐ก๐ญ & ๐๐จ๐ซ๐ญ๐๐๐ฅ๐ใTPU material is 70% of the same volume PVC structure, easy to carry. The side of the backpack has a pocket for water bottle, perfect for any outdoor adventure. ใ๐๐๐ฅ๐ข๐๐๐ฅ๐ & ๐๐ง๐ฏ๐ข๐ซ๐จ๐ง๐ฆ๐๐ง๐ญ๐๐ฅใOur dry backpacks are made of TPU materials, environmentally friendly and odor-free, and it would not crack even in the temperature range from -40 to 158โ ใ๐๐ซ๐ ๐จ๐ง๐จ๐ฆ๐ข๐ ๐๐๐ฌ๐ข๐ ๐งใThe waterproof dry backpack comes with a detachable belt, and can be carried by hand or two shoulder straps. The back is formed, comfortable, breathable, and fast drying, which can help relieve pressure on the shoulders and back, making travel more comfortable. ใ ๐๐ฎ๐ฅ๐ญ๐ข-๐๐๐๐ง๐ ๐๐ฌ๐๐ ๐ ใSubmersipack is perfect for water and snow sports such as surfing, biking, canoeing, jet skiing, kayaking, hiking, camping, snowmobiling, fishing, boating and the beach.