Spongebob Squarepants Backpack with Lunch Box for Kids - Bundle with 16" School Bag, Lunch Box, and More | Spongebob Squarepants School Supplies for Boys, Girls. This Spongebob Squarepants school supplies set comes with one 16" Spongebob Squarepants backpack with padded shoulder straps, spacious compartment, top loop for hanging, and an insulated lunch box. Ideal for any SpongeBob SquarePants enthusiast, this kids' SpongeBob SquarePants-themed backpack set has everything your child needs to be ready for back-to-school. The SpongeBob SquarePants backpack with lunch box set also includes a Beach Kids water bottle, SpongeBob SquarePants stickers, and a Beach Kids door hanger. Official Spongebob Squarepants school supplies set including school bag and lunch box for kids, boys and girls alike. WARNING: CHOKING HAZARD—Small parts. Not for children under 3 years or 36 months. Not for children under 3 years or 36 months.