Carpenter Lee 30 by 40-Inch Orthopedic Pet Bed with 4-Inch Gusset, Large, Off-White/Chocolate Plush microfiber top cover with 4-Inch gusset Moisture resistant, non-skid back cover Filled with 4-Inch of orthopedic memory foam 30 Inch wide, 40 Inch long, 4 Inch deep Cover is removable for laundering