Choose the River Tube with a non-removable mesh floor for added security and support Tough PVC inner bladder inflates and deflates through a reliable Boston-style valve Super durable, urethane-coated polyester reinforces the bottom of the tube for extra protection in shallower water Reinforced stainless D-ring makes creating a party barge super easy, or use it for attaching miscellaneous gear Two padded handles for easy hauling of to hang onto if the ride gets bumpy NRS Big River Float Tube - The NRS Big River Float Tube is the perfect way to enjoy floating down the river. Constructed with an extended center-to-center compartment, the NRS Big River Float Tube provides the same fun as the Wild River Tube with more room and greater buoyancy for larger river rats.