Stack-On PC95C: Stack-On's Portable Security Case is designed to secure a wallet, credit cards, cell phone or other valuables while you are on the go. The slim-line design allows the case to slip into a briefcase, under a car seat, or in your luggage for added security when you are traveling. The body is designed to secure the case with the included steel cable (1500 test lbs.), and it has foam padded interior. This model has a 3-tumber combination lock and meets TriStar airline guidelines.