With this assortment you can quit hoarding every poly bag that comes into the shop! The assortment will give you the right size with a good closure - and enough on hand to take care of your needs. Their use is as extensive as your imagination& for carrying different weight handloads when hunting or test-firing& shotshell loads and hulls& smallest bags are great for pins, parts, springs, sights, screws& in the bluing room for storing parts after polishing and prior to bluing& bigger ones for larger gun parts and the largest will hold pistols and actions. Drop in one of our Rust-Blox™, zip shut and you can store things for years without loss or messing up - and in full view!