Best Friends by Sheri 4-in-1 Orthopedic Dog Nap Mat, Large Dog Bed for Elevated Beds, Crates, and Furniture, Washable Shag Cover, Water-Resistant Bottom, Frost, 37"x52" Large Frost is up for auction in Pet Supplies. The current bid is $6.00, 87% below the $44.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.