NEW WITH TAGS. Please check photos. Thank you. The OP Boys Swimsuit in size Large 10-12 features a vibrant Ocean Waves design in blue, perfect for a day at the beach. Made from 100% polyester, this swim shorts style swimsuit has an elastic waist with a drawstring tie for a comfortable and secure fit. With one pocket for convenience, this machine washable garment is a great choice for active boys who love to swim and play in the water.