Why Choose MIHIKK Large Orthopedic Dog Bed Crate Mat? 1. 3 layers thicken durable covers can effectively suffer from pets moderate chewing and scratching 2. 3-inch orthopedic egg crate foam inner can provide extra support and security 3. Waterproof inner lining and zipper design helps to easily wash and clean 4. Anti-anxiety plush surface provides a soft and warm environment 5. 4 size available: 30inch(29x18x3), 35inch(35x22x3), 36inch(36x27x3), 41inch(41x30x3). Our large pet bed features premium plush, helping puppy anti-anxiety, allowing them to experience deep sleeping. The thick orthopedic egg foam inner will relieve dog joint and muscle pain, meanwhile support the dog's back well. Ideal durable pet bed for folding metal dog crates, dog pillow, kennel bed, dog carriers, cat carriers & dog houses, even as a dog travel bed in a car. Note: The large dog bed is arriving as a vacuum-packed bed in a box, easily unzip and please let it inflate for up to 72 hours.