Rainbow High Backpack And Lunch Box Set - 16” Inch Rainbow High Backpack For Girls Bundle with Insulated Lunch Bag, Stickers, More | Rainbow High School Set. This Rainbow High backpack and lunch box set includes a16 inch backpack with adjustable shoulder straps and top loop for hanging and one rectangular lunch bag, each featuring favorite Rainbow High characters including Violet, Skyler, and Jade. This Rainbow High insulated lunch box is sure to keep your food at the perfect temperature for hours and is great to take with you to school, the beach, on a picnic, and more! Officially licensed Rainbow High backpack and lunch bag set also includes bonus stickers and a Beach Kids princess castle door hanger.