The exterior material is waterproof; The interior is extra soft and comfortable, so your dog will stay dry and comfortable - as the little dogs love it. One side of the bag is lower in height, so the dog can easily intervene and place his head on the edge while sleeping inside the bag. The floor of the bag is very rigid to make sure the dogs cling.Inside the dog carrier, you can find an extra pocket with zipper and a safety leash to secure your dog. The straps are made of cotton. They are very long to ensure the optimal position under the arm while wearing it - also a thick winter jacket is no longer a problem. The exclusive simply small dog carrier is available in 4 beautiful colors: dark grey, light grey, navy blue, khaki. The chihuahua in the photo weighs about 3 kg. Indoor material: extra soft and comfortable polyester. Shoulder strap material: cotton fabric. Filling: heavy fabric not woven. Side entrance height: 14 cm. Length on the outside of the set: 50 cm. Cleaning directions: The simply small dog carrier should be cleaned with a damp cloth. In case of heavy dirt, you can use hot water and laundry detergent or soap. First try the cleaning method on a non-visible location.