About this item 1. With high quality 3.5" diameter suction cup, sturdy PVC frame and thick steel wire, this hammock window mounted has higher load capacity up to 15kg. 2. It can be installed on windows, tiled walls, smooth doors, etc., no punch or tools needed. Clean the window and the suction cups before installing this cat perch, wait it dry then put them on the window. 3. Made of breathable Oxford fabric and plastic, the cat’s body temperature will not overheat in the summer. In winter, you can add a mattress on this cat window bed and it will be the most comfortable. 4. Easy to clean. Just remove the cover, hand wash or machine wash. 5. If you don’t feel easy to stick to the window, it may be due to transparent polypropylene suction cups deformed during transportation, or low temperature of cold winter. Soak the suction cups in warm water for 2 minutes and clean with a damp cloth before installation. Product Description To attach the si¨¨ Window Cat Care: 1. Soak the suction cups