Tail Trends dog tutu dresses will fit small to medium sized dogs. Our dog tutus are made with 100% polyester fabric and has an elastic waist band wrapped with satin ribbon for a snug and comfortable fit. Our tutus are complimented with a rhinestone embellishment on a over-sized satin bow. Small size fits up to a 10 inch waistline. Medium size fits from 11 inch to 16 inch waistline. Large size fits from 16 inch to 21 inch waistline.