The Simpsons Backpack for Kids Set - Bundle with 17” The Simpsons School Backpack with Front Pocket, Water Bottle, and More | The Simpsons Backpack for School. This Simpsons school backpack features adjustable shoulder straps, a zip closure compartment, and a top loop for hanging featuring the colorful artwork of The Simpsons. The Simpsons backpack measures approximately 17" x 11" x 5". The Simpsons backpack for kids has plenty of space for Simpsons folders, notebooks, and books. The front accessory pocket is perfect for holding pencils, pens, school supplies, toys, snacks, and more. This durable The Simpsons backpack for kids also comes with bonus Beach Kids water bottle and Beach Kids stickers! Officially licensed The Simpsons backpack school set for kids. Pair this with other The Simpsons school supplies.