Description: 【Hot Tub Insulation Pump Cover】: Our hot tub insulation pump measures 16.9" D x 14.96" W x 21.2" H. Please note the size of your hot tub heating pump before purchasing (Note 【Durable Material】: Made from high quality 600D polyester canvas with a waterproof backing for maximum resistance to rain, sunlight, and external factors, extending the lifespan of your hot tub spa heater. 【Upgraded Design】: Our inflatable hot tub pump cover features a zipper and nylon buckle opening design that eliminates the need to disassemble hoses during installation or remove the cover during use - simple and convenient! When not in use, the zipper can be closed to prevent dust and other dirt. 【Windproof Design】: The 3 nylon straps on the side of the cover allow it to be securely fastened to your spa heating pump, resisting harsh weather conditions and preventing it from being blown away by wind. 【Comprehensive Protection】: The buckle rings design on the side of our cover allows it to fully encase your spa hot water pump unit for any weather protection that keeps your spa heating pump clean, dry, and looking like new. Specification: Color: Black Material: Canvas Size Chart: 14.9inchx16.9inchx21.2inch Package Includes: 1 Piece Pool Heater Cover Note: Please allow slightly errors due to manual measurement and different monitors.