SFNet Cute Soft Sponge White Dots Strawberry Pet Cat Dog House Bed With Warm Plush Pad S suitable for 1 kg pet,outer diameter : 26 * 26 * 28 cm/10.2 * 10.2 * 11.02 inch;hole size : 14 * 13 cm/5.51 * 5.11 inch. M suitable for approximately 1.5 kg pet,outer diameter : 31 * 31 * 33 cm/12.2 * 12.2 * 13 inch;hole size : 17 * 15 cm/6.69 * 5.90 inch. L suitable for approximately 2.5 kg pet,outer diameter : 36 * 36 * 38 cm/14.1 * 14.1 * 14.9 inch;hole size : 20 * 18 cm/7.87 * 7.09 inch. XL suitable for approximately 4 kg pet,outer diameter : 43 * 43* 45 cm/16.9 * 16.9 * 17.7 inch;hole size : 22 * 22 cm/8.66 * 8.66 inch. XXL suitable for approximately 5 kg pet,outer diameter : 48 * 48 * 48 cm/18.9 * 18.9 * 18.9 inch;hole size : 25 * 25 cm/9.84 * 9.84 inch.