Sportsman GENCOVER-XL Universal Weatherproof Generator Cover, X-Large Protect generators from rain, dust and UV rays Durable 600D polyester with a PVC coating keeps generator dry and protected For 15,000 watt generators with and approximate size of 37 L x 25 D x 27.5 H inches Elastic adjustable cord in bottom hem for slip-on fit Not for use on generators that are running. Always allow time for the generator to cool before using