The Wonder Nation boys swim trunks in size S (6-7) are new and feature a colorful multicolor design perfect for young boys who love the beach or pool. Made from a blend of polyester and spandex, these swim trunks are comfortable and stretchy for a great fit while swimming or playing in the water. The regular size type and bottom swim style trunks are ideal for active boys looking for stylish swimwear that is both functional and fun. Smoke free home.