Our Elevated Pet Napper protect pets from uncomfortable cold, hot, damp, and uneven surfaces. Lightweight bed allow air to circulate beneath dog for a healthier, more comfortable rest. Provides comfortable support for arthritic or geriatric dogs. Allow assembly and disassembly in seconds without tools, making it the perfect go-anywhere bed for travel and camping. Can be placed in a corner to save space. Covers are removable for cleaning. Fabric is heavy-duty polyester oxford, water resistant, and is UV-resistant polyester. Padded Frame is constructed of powder-coated, rust-resistant steel. Dimensions L x W x H Weight Capacity Medium 27" x 27" x 7.5" 25 lbs Large 35"X 35"X 7.5 40 Lbs