Speedo Big Girls'  Unisex Kid's Long Sleeve Rashguard Swim Tee 80% Nylon/20% Xtra Life LYCRA fiber Imported Xtra life lycra fabric lasts 5 to 10 times longer to give you more value for your money Uv block the burn sun protection technology Crew neck pullover for easy on and off with great coverage Size scale = s/7-8, m/10-12, l/14-16, xl/18-20 Made by speedo, the world's no.1 swim brand