Spongebob Squarepants Character Adult 17。This Nickelodeon SpongeBob SquarePants Hamburger Backpack is a fun and unique accessory for any fan of the beloved cartoon series. The backpack features a vibrant yellow exterior color with gold hardware accents, perfect for adding a touch of nostalgia to any outfit. With a convenient zip closure and adjustable strap, this 17\" backpack is practical for everyday use while showcasing your love for SpongeBob and his iconic squarepants design. The bag also includes a fabric lining in multicolor, making it a stylish and functional choice for unisex adults.