Size Medium/Large. Brand New. Stuff this bed with your old pillows, blankets, etc. and it will have your dog's favorite scent — you! Your dog is calmed and comforted by your scent, as a result this is the dog bed dogs love. Cover: * non-toxic and free from harmful chemicals * 100% cotton canvas covers are durable, washable, and preshrunk Stuff Sack: * 100% nylon, zippered, and gusseted to perfectly fit inside your molly mutt dog bed cover