About this item 【economical and affordable】It contains two cat hammocks,2 Pieces 【Easy to install】The cat window supports two installation styles. it takes seconds to install, and the windowed Cat hammock can be mounted directly onto the window with super strong 4 super large suction cups. 【Quality material 】The frame is made of high-grade steel rather than plastic, and large suction cups hold the width of the cat bed firmly in place. 【Safe & Solid Cat Hammock for Indoor Cats】: This small cat perch window sill, window hammock for cats inside, hanging cat bed is made of high-quality steel frame. Large strong power suction cups make it safety and steady. Hold up to an amazing 40 pounds. Comes with breathable washable easy clean mat helps to lose heat in summer. 【Friendly Tips】Please place the suction cups in hot water for 5 minutes, to help restore suction and press firmly to squeeze out the air. If you have any questions, please contact us and we will get back to you as soon as possible. (1) Wipe the suction cups and glass with a wet towel (2) At the appropriate location, force the four suction cups on the glass (3) Squeeze out the air in the four suction cups by hand