Tamper-resistant lockable zipper bags. Each lock comes with 2 keys. High-security pop-up and swivel design allows easy access to zipper in unlocked position. Can be locked without the use of a key. Each bag is keyed differently. Made with durable laminated nylon with waterproof polyvinyl and cotton twill backing and heavy-duty nylon zipper. 16 x 12 in. Navy blue.