Romilton - "The Charlie" Premium Orthopedic Memory Foam Dog Bed. Water Resistant Cover Is Removable and Washable. LUXURY 30x40x4" ORTHOPEDIC PET BED - Whether your pet suffers from arthritis, muscle stiffness, joint and hip dysplasia or is in perfect health; your pet will love the soft yet supportive comfort this bed provides. BEST MEMORY FOAM WITH THE PERFECT AMOUNT OF SUPPORT - One inch of our highest quality memory foam on top of a supportive base foam provides the perfect balance of comfort and support for your pet. MICROSUEDE REMOVABLE COVER - Our covers are made from durable microsuede, are removable, washable, and have a non-skid bottom to reduce movement on smooth floors. REMOVABLE "WHISPER QUIET" WATERPROOF LINING - You don't have to listen to the sound of rustling plastic every time your pet lays down. Our "Whisper Quiet" waterproof lining is made to be quiet and keep the core foam dry. The liner is removable and machine washable. PREMIUM MEMORY FOAM - We use only the very best foam available for the safety of your pet. Our products are certified to be free from ozone depleters, PBDE flame retardants, formaldehyde, mercury, lead, and other heavy metals.