The round pet bed allows pets to curl up while the raised rim creates a sense of security and provides head and neck support. Our pet bed is fulfilled with cotton, cover with super soft polyester. It offers a safe, cozy place for a cat or small dog to snooze. This cute cat bed is washable, gentle wash please. 3 Size: Size small: diameter is about 30cm (11.8 inch), suitable for pet less than 2.2lb Size Medium: diameter is about 40cm (15.7 inch), subitable for pet less than 6lb Size Large: diameter is about 50cm (19.7 inch), suitable for pet less than 16lb **** Pet weight suggestion is for your reference, we encough you measure the size before making order.**** Size is measure manutally, please allow 1 to 3 cm size difference due to the streched material. Package Content: 1 piece cat dog bed