Paw4D SET - 2pcs Dog Diapers Pants,Pet Girl Female Dog Puppy Cotton Underwear for Small Breeds Random Color Size:S waist size 22cm-30cm/8.7"-11.8" M waist size 25cm-36cm/9.8"-14.2" L waist size 29-40cm/11.4"-15.7" Solves problems from untrained pups, females in season, incontinent dogs and excitable urination. You can receive two different colors,because we will send two colors randomly. There is a flexible elastic band on front; a elastic band on the tail holes;The legs have elastic so that the size is adjustable, makes the dog feels more comfortable. Machine washable, hang to dry. NOTE: When measuring,don't be too tight,small dogs appropriate to loose 0.5 ", large dogs loose 0.8" -1.2"