Upgrade Hot Tub Insulated Pump Cover- Our Hot Tub Spa Heater Pump Cover adopts the upgraded design, it not only better fits the size of the heater pump, but also uses a zipper & hidden buckle opening design at the connection between the hot tub and the heat pump. There is also a adjustable drawstring at the bottom, so that you don't need to dismantle the hose when installing and remove the cover when using. Waterproof & Durable- Our hot tub spa heater pump cover adopts premium durable Oxford fabric, highly water-resistant & tear-resistant, offering maximum resistance to external factors such as rain, snow, leaves, UV rays, dirt and dust, with a water-repellent coating, even in harsh environments such as rain, snow It can also perfectly protect the spa heat pump from being affected and extend the service life of the hot tub spa heater pump. Easy to Install & Operation- Our Inflatable hot tub Pump Cover is designed with 2 padded handles to make it easier to adjust the position during the installation process, the hidden buckle design, the adjustable drawstring at the bottom, and zipper openings on both sides & top, so you dont need to remove the entire cover during operation. make your installation & operation steps become simple, it's perfect for your chioce! More Info.- Our hot tub heater cover Size: 21.2 x 16.5 x 15.4 inches. It's designed to withstand the elements, keeping the cover securely in place even in bad weather, and the cover won't easily blow away in the wind.