Cutpety Cat window perch Sunny Seat Window-Mounted Cat Bed (Double, Brown) Gives your cat a front view of nature without taking up valuable space in your home Industrial strength suction cups hold up to an amazing 50 pounds Installs in seconds to glass windows or doors, please clean surface thoroughly before attaching suction cups. Durable and removable cover is machine washable New upgraded vacuum glass sucker,the bearing weight is three times higher than ordinary suckers.Long time stable adsorption, it will not fall off.