The x20 AR15 & x20 Pistol Magazine Waterproof Case by Club Case will protect 20 of your valuable 5.56 / .223 (30 rnd) magazines and 20 pistol magazines. The case can withstand incredible abuse in extremely harsh environments, is airtight, waterproof, has an automatic purge valve, has twist locking latches, and has 2 padlock holes. Designed for durability, the case is molded from tough polypropylene that will last a literal lifetime. The interior consists of ABS plastic dividers to organize the magazines into neat rows and columns. The case can accommodate either metal magazines or pmags, and also dust clips and ranger plates. Protect your investment, buy Case Club.