You no longer need to carry your lunch box and backpack separately! Our backpack includes a detachable, insulated lunchbox of the same pattern as the backpack. * Product Material: 600D/300D Polyester * Product Weight: 1 lbs. * Lunch bag attaches with four reinforced hook n loop straps * Backpack lined with water resistant layer * Easy to clean * Available in lots of fun patterns * Match with other accessories of the same pattern. * Great to personalize with monogramming