One Tail Four Paws Bow Tie Lace Dress, Baby Blue Sizes run small, designed for small dogs; neckline and/or collar is fitted; the clothing will not provide enough stretch. This dress contains heavy duty snap buttons in the belly area ,which makes the putting on and taking off process quick and easy Dress is made of cotton and polyester blended materials, which can be hand washed in cold water Extra Small fits 3 lbs. to 5 lbs.