2 x Sundlight Colorful Pet Underwear Diapers Dog Cotton Tighten Strap Physiological Sanitary Pants,Reusable and Washable(Size XS) Materials: Cozy and soft cotton, Washable and reusable. Mesh design, cool and cozy Size XS: Waistline: 11.81"-12.59" (30-32cm), Back Length: 8.66"- 9.05" (22-23cm), Suitable for pet weight 2-3kg Wrap around rear girth to start training dogs of all ages, from puppies to senior dogs Convenient to wash and change, keep the pet clean and healthy Machine washable for easy multiple use, very easy to put it on