Ideal for Use in Crates, Carriers, Dog Houses, Vehicles . . . Keeps Pets Cool in the Summer, Warm in the Winter Bed Color Conceals Shedding Ultra-Soft Synthetic Sheepskin or Plush Fur Comfortable Polyester-Filled Bolsters Cushioned Poly/Cotton Base Completely Machine Washable. Measures 36" x 23" and is perfect for Beages, Chinese Shar-Pei, Welsh Corgi and pets who weigh between 41 - 70 pounds. Fits MIDWEST models 1036, 1236, 23ECN, 36C, 36ZN, 35ZN, 506, 606, 606DD, 706, 1336, 1636, 1636DD, 802, 936, 80236.