Tower Delivery Bag – 3-Series, 18″W x 17″D x 22″H, strong reinforced plastic handles for easy lifting, adjustable backpack straps ideal for bikes & scooters, headrest strap & leveling wedge keep bag secure, unique optional removable wire frame insert – offers adjustable shelves & collapses for storage An optional heat pad with power cord to pre-heat bag & is sold separately (Refer to vollrathfoodservice.com for full warranty policy)