Features: Create a secure and stable resting spot for your cats with our Suction Cups. Made from durable plastic, features easy installation on smooth surfaces. Suitable for cat owners, our perches provide a convenient sleeping space for your pets. Transform any window or smooth surface into a comfortable lounging area for your cats with our suction cups. It provides suffcient supply for your needs and can also be shared with family and friend who have cats. Specifications: Material:Plastic Size: Approx.85mm/3.35inch Quantity: 4 Pcs or 8 Pcs Package Includes: 4 Pcs or 8 Pcs Suction Cup note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.