Material: Polyester Sun protection: Sun protection swimsuit, long sleeves, full arm, torso and bottom coverage, blocks more than 98% of the sun's harmful UV rays, protecting your child from sunburn and UV damage, keeping your little one's delicate skin safe in the sun.Washing method: Do not use laundry detergent, bleach or shampoo when washing. Dry in a cool, ventilated place after washing. Do not expose them to direct sunlight. Applicable scenarios: This one-piece swimsuit is suitable for all water sports, such as diving, boating, surfing, kayaking, or playing on the beach. High quality material: high color fastness of waterproof, sweatproof and anti-friction, no fading. No formaldehyde, no odor, no carcinogens. Zipper is easy for children to put on and take off.