About this item 28D EGG CREAT FOAM: 4 inch high 28D egg sponge large dog beds, the sponge is soft and elastic, can support the dog’s joints and muscles evenly, especially suitable for older dogs with anxiety and extra large dogs with arthritis. The classic padded dog cushion offers high loft orthopedic padding as well as a super cozy nesting and digging for dogs and cats. SMART DESIGNED: This pet bed adopts four-sided wrapping design that provides the dog enough security. The soft and comfortable broken foam arm rest surrounds your pet’s neck and head, providing extra comfortable support for your dog’s neck and head. Soothing and relaxing to help your dog sleep better. SOFT SLEEP SURFACE: The sleeping area of the plush dog bed is 34 x 26 inchs, which gives the dog enough space to move. The surface is made of high quality PV plush, which feels comfortable and does not fluff or fade. The materials are gentle on skin, nose and paws. WATERPROOF & EASY TO CLEAN: Don’t worry about getting the orthopedic foam dog bed wet, the washable dog bed cover has a lining on the back to keep off liquid leakage and protect the foam. Removable cover with zipper support machine washing and low-temperature drying. NON-SLIP BOTTOM: There are non-slip rubber particles on the Oxford cloth at the bottom of this extra large dog bed, which can be fixed on the floor to ensure that the dog will not slide easily when playing or sleeping on the dog beds for extra large dogs, providing the dog with a sense of security.