Features: 1. Double sided for all season, one Oxford fabric, waterproof and cool, ideal for Summer. One fleece fabric, warm and soft, ideal for Winter. 2. Convenient and space saving, it can be installed under the chairs legs or table legs. 3. With 4 non-slip rings on each hammock, the hook&loop can be securely fixed. 4. Easy to clean, hand wash or washing machine. 5. Suitable for cats, small dogs, hamsters, rabbits and so on. Specification: Condition:100% Brand New Material: Polyester fiber Color: Beige Grey S, Beige Grey L, Blue Grey S, Blue Grey L, Black S, Black L(Optional) S Size: approx.35*35cm/13.8*13.8in L Size: approx.50*48cm/19.7*18.9in Weight: Approx.101g~129g/3.6oz~4.6oz Package list: 1 * Cat Chair Hammock 4 * Anti-slip Rubber Rings(Color Random) 4 * Buckles Note: 1. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3 .. Please note that the color of the rubber ring of this product will be sent randomly, please make sure you don't mind before ordering.