Diameter x Height XS-11.2inch(28cm)*3.6inch(9cm) S-14inch(35cm)* 4.4inch(11cm) M-20inch(50cm)* 4.8inch(12cm) L-23.2inch(58cm)* 5.6inch(14cm) Models featured in order from small, medium to large. XS fits a very tiny toy breed or newborn puppies and kittens. machine wash cold, gentle cycle (light detergent, no bleach) machine dry on low heat 100% polyester