Sherpa Puff Dog Bed. It's like a bean bag for your pup! This puff bed has a warm Sherpa cover and is generously stuffed for ultimate comfort. It's a great bed for those that love to curl up in a ball! Cover is removable and machine washable. Sizing:S: 18 in. diameter | For pets up to 15 lbs.M: 26 in. diameter | For pets up to 30 lbs.L: 32 in. diameter | For pets up to 40 lbs.