1.Waterproof backpack with ergonomic design suitable for outdoor water activities.

2.It can be customized based on exist mold

1.This waterproof bike bag is 3 in one multi-functional bike bag. With adjustable bike rear rack clip be a bike pannier bag; With laptop sleeve and backpack straps for a bicycle backpack; With long shoulder strap to be as a shoulder bag

2. Exist mold and different colors available

1.36cans waterproof cooler backpack in 20 litres volume

2.Exist mold no need to develop new mold

3.Adjustments accetable based on exist mold