[Upgrade Design]: Our inflatable hot tub pump cover features a PVC window on the top and a zipper opening design, allowing use without removing the cover. The front nylon sticker opening enables installation without detaching hoses, offering simplicity and convenience. [Hot Tub Insulated Pump Cover]: Dimensions are 16.9 inches D x 14.96 inches W x 21.2 inches H (43 x 38 x 54 cm). Fits most hot tub spa heater pumps available on the market. Note: Cover only. [Durable Material]: Made from high-quality 600D polyester canvas with waterproof backing. Provides maximum resistance against rain, sun, and outdoor elements, helping extend the service life of the hot tub spa heater pump. [Comprehensive Protection]: Equipped with 2 side buckles and 1 elastic hem cord at the bottom to secure the cover tightly to the spa heating pump, protecting against harsh weather and preventing wind from blowing it away. All-weather protection keeps your spa heater pump clean, dry, and looking like new. Color: Gray/Black + Gray Material: Polyester canvas + PVC Package Contents: 1 x Hot Tub Spa Heater Pump Cover / 2 x Hot Tub Spa Heater Pump Cover Note: Only the items listed above are included. Light reflection and display differences may cause slight variations between the image and actual color. Measurement may vary by +/- 1-3 cm.