Body Wallet for Iphone and Blackberry Made from washable Supplex® Nylon/Lycra® Spandex fabric (like yoga pants) the body wallet stretches and flexes with your body without slipping and is tapered to mimic the natural form of your arm for maximum comfort. The pull tab is made from 3M reflective material for safety and the inside care tag is writeable for Name and Emergency Contact information. The body wallet also fits extras like a credit card or car key. Perspiration Resistance Tip: wrap your phone in a small plastic bag, like a sandwich bag, then place phone in the body wallet. The plastic bag works with key and touch technology. Made to fit, the body wallet is available in Small, Medium and Large.