Blue Plaid Bones Cotton Bed Nest Mat for Pet Small/Medium Dogs S: 45 * 40 * 14cm / 17.7 * 15.7 * 5.5 inches Suitable for: 6.6 lb of pet L: 70 * 65 * 14cm / 27.5 * 25.6 * 5.5 inches Suitable for: 33 lb of pet Material: Flannel + PP cotton This pet nest can be used in all seasons