MTM Case-Gard CL20GA Ammo Caliber Labels
https://www.tandktactical.com/shop/026057320205-mtm-case-gard-cl20ga-ammo-caliber-labels-53036
https://www.tandktactical.com/web/image/product.template/53036/image_1920?unique=b9a934d
Ammo Caliber Labels are great for marking ammo cans or crates.
