Unikum Family Apps on Google Play Muddy Paw Cotton Fabric Flat Pet Bed. The classic flat bed is a standard in our collection, it is by far the most versatile bed we make, it can be used virtually anywhere. It is completely machine washable and dry able with no special requirements. Offered in 4 different fabric types and 8 sizes. We have always made these beds in fun and stylish cotton fabrics. The cotton fabric tends to be a cooler fabric so it is more popular in the summer time. Even though dogs like the cold tile floor when it's hot, sometimes they like to rest on some fluff. These are very popular with breeders, trainers and several canine professionals. Sizes: 10x17, 12x19, 16x23, 18x26, 22x32, 24x36, 26x42, 28x48