Transformers Backpack and Lunch Box Set for Boys - Bundle with 15” Transformers Backpack, Lunch Bag, Water Bottle, More | Transformers Backpack for School. This Transformers backpack set includes a 15” backpack with adjustable shoulder straps, zip closure compartment, and top loop for hanging featuring colorful artwork of favorite Transformers characters. This Transformers backpack for kids set also includes an insulated lunch box featuring colorful artwork of Transformers, perfect for keeping your food at a safe temperature all day. Show off your love of Transformers in style. This Transformers backpack bundle also includes Transformers temporary tattoos, and a Beach Kids water bottle, making the perfect gift set for any Transformers fan. Officially licensed Transformers backpack and lunch box set is perfect for all kids, boys and girls alike. Set also includes a Rex-Man door hanger. For ages 3 and up.