The pool heat pump cover is constructed from tear-resistant 420D Oxford cloth with a waterproof PVC inner layer. It measures 40" x 34" x 31" and features a mesh exhaust hole for heat dissipation. The cover has a slit for wires and pipes, and an adjustable drawstring and buckle to secure it in place. Protects your heat pump from rain, snow, dust, and debris, reducing maintenance needs.