Flat - Brown Fish BonesThe Brown Fish Bones pet bed sheet is a favorite standby to the classic black fish bone pattern and is enjoyed by cats, but dogs love it too. The flat pet bed sheets are designed to fit the typical orthopedic memory foam type pet beds. The full elastic bottom helps to keep the sheet in place even with the biggest diggers. Seams are all double stitched so no little threads are left for the chewers. The 100% cotton fabric makes this pet bed sheet soft