1、Made of quality PVC material, sturdy, durable and long service life. 2、With rope, easy to operate, good workmanship and delicate design. 3、The production process is fine and the details are meticulous. 4、It can prevent water from entering to boat. 5、Useful replaceable accessory for inflatable boat, kayak, or rubber dinghy. Features: 1.Made of quality PVC material, sturdy, durable and long service life. 2.With rope, easy to operate, good workmanship and delicate design. 3.The production process is fine and the details are meticulous. 4.It can prevent water from entering to boat. 5.Useful replaceable accessory for inflatable boat, kayak, or rubber dinghy. Specification: Condition: 100% Brand New Material: PVC Color: black Inner diameter: Approx. 35mm/1.4in Height: Approx. 45mm/1.8in Package List: 1 * Drain Valve