XS: 40*40cm/15.8*15.8″ (Suitable for 2.5kg pets) S: 50*50cm/19.7*19.7″ (Suitable for 5kg pets) M: 60*60cm/23.6*23.6″ (Suitable for 9kg pets) L: Diameter: 70cm/27.6″ (Suitable for 12kg pets) XL: Diameter: 80cm/31.5″ (Suitable for 15kg pets) XXL Diameter: 100cm/39.4″ (Suitable for 20kg pets) Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement.