Sesame Street Elmo Large Backpack with Lunch Box (Sesame Street School Supplies Set) Sesame Street Elmo Large Backpack with Insulated Lunch Box. Deluxe 16 inch large Sesame Street Elmo backpack with padded shoulder straps, zip compartments and top loop for hanging. Includes insulated Sesame Street lunch box with "E is for Elmo" design. Officially licensed Sesame Street Elmo school supplies product. The perfect back to school Sesame Street backpack for kids -- boys and girls alike.