Little boys sizes toddler 3T and 4T will love this two-piece Spongebob swimsuit set!! This boys spongebob swimsuit includes a swim short and a short sleeve rash guard top. Swim bottoms have an elastic waist with adjustable inner drawstring. Swimwear also has an inside mesh lining, and the material is 90% polyester and 10% spandex. The top has short sleeves and is 92% polyester and 8% polyester. This rash top should help prevent sunburn. This is an officially licensed Nick set. Kids will love to go under the sea at the beach, swimming in a pool, lake, ocean, or backyard sprinkler! Kids can pretend they are in Bikini Bottom with Mr. Krabs, Sandy, and Patrick! Great for Spring break, swim lessons, vacation, and everyday swimming fun!