Proper Size: The heat pump cover is 40Inch L x 34Inch W x 31Inch H, with a universal design that fits most heat pumps, providing quick maintenance as needed. Easy to Use: The heat pump cover is simple to install, designed with a hole that allows for pipes to pass through on one side while still maintaining barrier-free coverage, ensuring your pool heating system stays in top condition during the off-season. High-Quality Materials: Our pool heat pump cover is made of upgraded heavy-duty waterproof 600D Oxford cloth, which is very strong and and not crack in cold weather. Adjustable Size: There is a drawstring to adjust the tightness according to personal needs. Works with existing plug pipes and can be installed in just minutes. Protect the pump: The pool equipment cover can drain moisture, provide ventilation, and prevent severe weather such as heavy rain, high winds, dust, UV rays, sandstorms, etc. from damaging your heater. Type:Pool Heater Cover Size:40x34x31in Colour:Black Material:600D Oxford cloth Package Contents: 1 * Pool Heater 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.