80% Polyamide/20% SpandexPolyamide & Elastane?? which is safe, breathable and flexible, protecting your child and leaving enough room for childs grow.UPF 50+ Sun Protection?? which can block more than 98% of UV rays from the sun, make your girl more enjoyable when playing.Two Pieces Long Sleeve Rash guard Set, the more comprehensive protection for the child.Occasion??This long sleeve roashguard swim shirt with Tikini bottom perfect for beach, pool party, play dates, weekends, resort trips, cruises, backyard luaus, and family vacations.Washing method??Hand wash and add a little neutral detergent in water. Dried in the shade, do not use clothes dryer or iron.