The Everwell cleaning cover kit is not for one-time use. This wall-mounted air conditioner wash cover can be used repeatedly. Made of a 1.0 mm thick PVC waterproof sealing strip with tight stitches, It is soft, waterproof, corrosion-resistant, and durable. Offers full protection – all surrounding hold design to better protect your wall, the air conditioner cleaning cover prevents your walls and areas from splashing/splattering of sewage during the cleaning process. Easy to Operate – integrated design, no need to install additional drain pipe, ease to cover the air conditioner evaporator with the help of its elastic rubber. Also, the large channel can drain the water quickly.