PLUSH MATERIAL: This dog bed mattress is plush, soft and comfortable, so that your pet can lie on the bed and keep your paw friends warm in cold days SIZE: S: for 8.8 lb pet. M: for 22 lb pet. L: for 27.5 lb pet. XL: for 33 lb pet. It can be used for dogs, cats and any small and medium animals to rest and sleep ANTI-SLIP BOTTOM: Our dog mattresses are designed with anti-skid and anti dirty bottoms, so that the cat's mattresses can be firmly fixed in the right position and avoid any unnecessary accidents SUITABLE FOR INDOOR AND OUTDOOR: Foldable, easy to carry, easy to roll up and take away, convenient for camping, tourism and other outdoor activities, can also be placed at home for dogs and cats to sleep MULTIFUNCTIONAL DOG MATTRESS: Can be used for bedroom, living room decoration, anti scratch sofa, car back seat cushion, can also be used as foot pad, placed in the bathroom, kitchen door