Voberry Pet house Collapsible Indoor Pet Dog Puppy Cat Warm House Bed Cute Shark Shelter Cozy Nest Mat Pad Kennel Material: Fiber Cloth+Oxford Cloth+PP Cotton Filler Size M: Diameter:40cmX40cm/15.75"X15.75" Size L: Diameter:50cmX50cm/19.69"X19.69" Perfect For Your Adorable Pets Like: Dog, Cat,Pig, Etc Self-warming material radiates heat back to your pet