ToBeInStyle Girl's Pack of 6 Set of Racerback Bras and Boyshorts Bikinis Pull On closure Matching Racerback Bras and Boyshorts Set. Seamless. Materials: 85% Nylon, 15% Spandex Recommended Care Instructions: 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, Green, Pink, Red and Yellow