Plano ammo cans are designed using a water-resistant O-ring seal with a brass bail latch in order to keep ammo and small items safe and dry. A heavy duty handle allows for easy carry and transport of the box. The molded in stacking ridges provide you with a slip resistant stack-ability perfect for space saving storage. The boxes themselves are made from high quality polypropylene which is a high quality plastic that will last for many years to come. Outside Dimensions: 13.75 x 7 x 8.75. Inside Dimensions: 11.25 x 5.5 x 7.