About this item SOFT GREY FLANNEL DOG BED: The sleeping area is covered with extremely comfortable flannel, brings a sweet dog’s dream, as if lying in the warm clouds, helps to ease discomfort and encourage restful sleep, older pets nursing bed. HIGH-DENSITY EGG CREATE FOAM DOG PILLOW BED: The egg crate orthopedic foam base helps cushion pressure points and improve air circulation, relieves joint pain & provides support (perfect for older pets) REMOVABLE & MACHINE WASHABLE COVER: Easy to clean, keep your dog’s bed looking and smelling fresh and clean. No more messes! The zippered cover slides off seamlessly for convenient cleaning! Just throw it in the wash and it will be good as new. EXTRA INNER LINER & NON-SLIP BOTTOM: Inner liner under the cover for protecting the foam. If the inner lining is dirty, just wipe it off with a wrung out damp cloth. Non-slip dots on the bottom can fix the dog bed in a proper position. SIZE RECOMMENDATION: In order for your friends to be more comfortable when resting, we suggest you follow our size recommendations, size M 28” for pets up to 45 Lbs, size L 35” dog bed for pets not over 75 Lbs, size XL 42” for Pet under 100 Lbs.