ToBeInStyle Girl's Pack of 6 Set of Seamless Racerback Training Bras Pull On closure Racerback Design. Seamless Materials: 85% Nylon, 15% Spandex Machine wash cold with similar colors. Do not bleach, do not tumble dry. Sizes: Small (Ages 4-6), Medium (Ages 7-11), Large (Ages 12-14) Colors Selected from: Black, Blue, Fuchsia, Neon Green, Neon Pink, and Yellow