MaruPet Petmuch Fleece Lambswool Pet Sleeping Bag Cat House Cushion with Paw Print Size--S(L*W*H):21.6"*18.8"*5.15"(55*48*13cm), and the cat should under 11 lbs; M(L*W*H):23.6"*19.6"*6.3"(60*50*16cm), and the cat should under 16.5 lbs; The small paw is suitable for Domestic Cat, Scottish Fold, British Shorthair, Bumlese, Egyptian Mau; the Mediums paw is suitable for Ragdoll, Persian Cat, Chartreux, American Shorthair. All the breeds' weight should not beyond the Weight Standard, if beyond, please choose according to the real weight, thanks in advance There is a model cat in the pics, the cat is Scottish Fols, and it weights 8.8 lbs, so the size Small is a beter choice for it A fabulous and sumptuous choice for your feline friend, this sleeping bag offers your pet a great place to hide and snooze and provide your cat with a great alternative. A perfect snug, warm and comfy bed especially draughty Filled with extra thick 100% poly fill for maximum comfort, sleeping Bag features a super soft interior which will make your pet feel both warm and secure, it can be using as a bed, mattress, snuggle sacks even sofa pet protector and will not hurt your pet This cat cave bed great for couches, chairs, beds, floors, sofas, cars and perches. It is a great quality bed for your cat or dog to burrow into for a snooze and you will love that you can simply throw it in the wash for easy cleaning and care. Machine washable also