Use in crates, carriers, dog houses, vehicles, or alone. Keeps pets cool in summer, warm in winter. Bedcolor conceals shedding. Machine washable. Great formedium pets 26-40 pounds. Cairn terrier, dachshund, etc. use in midwest models 1030,1430,1630,1130, . Ultra-Soft Plush Fur Comfortable Polyester-Filled Bolsters Cushioned Poly/Cotton Base 30X21 INCH GRAY