Features of the NRS Wild River Tube - Mesh Floor Tough PVC inner bladder inflates and deflates through a reliable Boston-style valve Protective flap covers the single valve and secures with a hook-and-loop closure Super durable, urethane-coated polyester reinforces the bottom of the tube for extra protection in shallower waters For against-the-skin comfort, the Upper part of the cover is constructed with 840 denier nylon Two padded handles for easy hauling or to hang onto if the ride gets bumpy Reinforced stainless D-ring makes creating a party barge super easy, or use it for attaching miscellaneous gear Removable cover can easily be replaced in case of major wear and tear Choose the River Tube with a non-removable mesh floor for added security and support, or the River Tube without the mesh floor for versatility