So Sydney Leg Warmers are perfect to pull on with dresses, skirts and shorts. Make diaper changing and potty training a breeze. Protect your crawler's knees too. Not just for legs. Try them as arm warmers! Measure approximately 10-12 inches long, 3-4 inches wide. One size fits most, infant to child. (Fit up over knees on babies, under the knees on older children.) Material - 80% cotton, 18% polyester, 2% spandex. Care instructions - Wash cold with like colors. Lay flat to dry. So Sydney is a trademarked brand sold exclusively by Sydney So Sweet.