Spiderman Backpack with Lunch Bag for Boys - Bundle with 16" Marvel School Bag, Insulated Lunch Box, Stickers, Water Bottle, More | Spiderman School Backpack Set. This Spiderman backpack measures approximately 16" x 12" x 5" and features padded adjustable shoulder straps, zippered compartment, and top loop for hanging. This Spiderman school supplies set also includes an insulated Spiderman lunch bag, ideal for keeping food fresh all day long. This Spiderman backpack set also includes a Beach Kids water bottle, Spiderman stickers, and a Beach Kids superhero door hanger! Suitable for any fan of Spiderman. Caution: Entanglement Hazard. Keep away from very young children. Do not place around neck.