[Hot Tub Insulated Pump Cover]: Size fits most hot tub spa heater pumps on the market. Please note: lid only. [ Material]: Made of top-grade polyester canvas composite material, waterproof on the back. Maximum resistance to rain, sun and external elements. Extend the life of your hot tub spa heater. [Upgraded Design]: Our inflatable hot tub pump cover adopts zipper and Buckle opening design, which eliminates the need to remove the hose during installation, making it simple and convenient to use. [Full Protection]: There are 2 buckles on the side of the cover and 1 elastic hem line on the bottom, allowing the cover to cover the priming device of your spa heater pump. All-weather protection keeps your spa heater pump clean, dry, and looking like. Material: polyester canvas colour: black Package Contents: 1 x heater pump cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.