Durable Materials: The cat hammock frame is made of high-strength fiberglass rod and the load capacity is up to 23 kg (50 lbs). The durable steel cable not only prevents cats from chewing on it, but also has a higher load capacity to ensure your cat can jump in and out of the cat hammock safely. Strong and durable, with longer service life. Powerful Suction Cups: Includes 2 powerful button suction cups and 2 thickened suction cups. For button suction cups, by tightening the screw cap, the air will be discharged more easily. When suction cups are used, it is necessary to squeeze out the air as much as possible so that the cat hammock does not fall easily. Note that when it is cold, you can use hot water to soak and soften the suction cup, so that the suction cup has more suction. Large Space & Easy Installation: The dimensions of the window hammock for cat are 24 * 13 * 18.5 inch (61 * 33 * 47 cm), there is enough space for cats to enjoy the sun and the scenery outside the window. It can be installed on any smooth surface in seconds effortlessly without tools. Tip: Before installation, please make sure the suction cup surface is dry and the window surface is clean. Double-sided pad: Velvet + woven fabric. Breathable woven fabric is suitable for summer use, more breathable, allowing cats to better appreciate the beauty outside the window. Soft velvet is suitable for winter, more comfortable, let cats enjoy the winter sun. Different sides can be selected according to different needs. It can be machine or hand washed. Considerate Service & Carefree Use: The cat hammock bed can be fixed on flat surfaces, it won't take up extra space in your room. With this cat window bed hammock, cats can better enjoy the beautiful scenery outside the window while enjoying the sunshine. If you have any problems using the product, please contact us in time and we will do our best to solve it for you.