ToBeInStyle Girl's Lace Accent Dresses Pull On closure Lace Detail. Materials: 97% Polyester, 3% Spandex Machine Wash Ok. Tumble Dry Low. Do Not Bleach. Available in sizes 4, 5-6, 6x, 8, 10-12, and 14 Sizes are true to size. Model is 4.5 years old, wearing size 4.