[LARGE SPACE]: Length x width x height: 24.6 x 13 x 18.5 inch (62.5 x 33 x 47cm). Suction cup diameter: 3.5". The large cat window mattress is suitable for any type of cat. Please check the size of your window before buying. [HIGH-QUALITY MATERIAL]: The mesh cover is made from food-grade and breathable placemat material, which is waterproof, breathable and durable and easy to clean. [UNIQUE DOUBLE-SIDED USABLE DESIGN]: Velvet + woven cloth. Breathable woven fabric is suitable for summer use to help cats dissipate heat. Soft velvet is suitable for winter use to help maintain body temperature. The mat of this material is more resistant to scratches. We recommend cleaning the mat manually instead of using the machine. [FOUR STRONG SUCTION CUPS]: Use 4 large suction cups to mount on the windows that can hold up to 50lbs (23KG). Just make sure to clean the windows and the suction cups before installing. [EASY TO INSTALL]: It can be installed without any tools. Installation and disassembly