This ammunition box has a two-piece hinge, so the boxes store flat and level. Transparent, so you can see what type of ammunition is inside, as well as the quantity. All Dillon ammunition boxes have a lifetime warranty. If you have a broken or damaged box, you must contact us for a return authorization, and ship the damaged box to us first. Upon receipt, we will replace it. It´s that simple! However, you have to work hard to damage these boxes.