1.Easy to use

2.Waterproof, packable

3.Exist mold. You don't need to open new mold yet still can adjust some details

1.The waterproof diving fin backpack with outer bag a binding belt for placing fins

2.Different sizes and colors available

1.100% water tight waterproof backpack for men.

2.Can be used as travel and business backpack.

3.Different colors available.

4.Exist molds

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

2.It can be customized based on exist mold