GranVela Anti-theft Hidden Shoulder Holster/Wallet, Underarm Portable Backpack Tactical Bag Concealed Pack for Travel/ Outdoors- Black Durable nylon for anti-scratch and water resistance, breathable mesh material for comfortable wearing, sutiable for both cold and hot days. The telescopic fastener is adjustable for different heights, a great companion for you in working, going home, travel and business trip. Inside jacket with three pockets for superb convenience to store your items: iPhone, cellphone, tablet PC, keys, pen, passport, crash, MP3, etc. A breathable mesh pocket on the back for a 7-10 inches PC, and a rope for easily hanging your earphones, sunglasses, interphone or mini LED flashlight. This bag provides you with double protection, hands-free convenience and zero stress, for long-term comfort during traveling and on the way.