Watertight backpack

Watertight Backpack high resistant to air and water, swimming with your personal items and devices without any drop of water!

The backpack can be completely inflated with air through a little electronic air blower even if it does not require an air-blower. To make it empty or filled with air, you can press the rucksack keeping an open valve or open zipper.When it is full of air to guarantee a great buoyancy and when it is empty of air to help the immersion during the swimming under the water surface and its function of lifesaver to reach boats. Suitable to contain electronic devices protection from water. Customization