About this item: - Orthopedic Support: High-density egg-crate foam evenly distributes weight, relieving pressure on joints for deep, restful sleep. - 4-Sided Bolster Design: Plush bolsters cradle head and neck, offering comfort and security. Lowered entrance protects knees and ensures easy access. - Waterproof & Durable: Waterproof liner protects foam from spills and accidents. Robust construction lasts. - Easy Maintenance: Removable, machine-washable cover with zipper. Simply unzip, remove foam insert (not washable), and wash cover. - Soft Flannel Fabric: Velvety texture provides a cozy retreat your pet will love. - Non-Slip Bottom: Keeps bed securely in place on floors. - Size: Medium (Grey). Allow 24-48 hours for full expansion after unpacking.