SpongeBob SquarePants Hat Set for Kids - Bundle with Baseball Cap, Stickers, and More | SpongeBob SquarePants Merchandise for Boys, Kids. This SpongeBob cap set includes 1 SpongeBob baseball hat with an adjustable back strap and colorful artwork featuring SpongeBob himself. SpongeBob cap measures 6" x 4" x 10" and with its adjustable back strap, it comfortably fits most young children's heads. Great for any fan of the show SpongeBob SquarePants, this SpongeBob hat for kids and toddlers is perfect in a SpongeBob gift set or as party favors at your next SpongeBob-themed birthday party. Officially licensed SpongeBob SquarePants merchandise for kids. The SpongeBob baseball hat for boys and girls also comes with SpongeBob stickers and a Beach Kids door hanger.