DICOCO Outdoor Gear Hidden Underarm Shoulder Messenger Bags Backpack Phone Bag Wallet Tactical Bag for Cool Mens Apply to storage: Phone, Keys, Passport, Cash, etc. Antitheft design effectively protect your phone, wallet and other items. Apply to suit, shirt, jacket, common workwear. Material: durable anti-scratch and waterproof. The shoulder size can easily adjusted, suitable for most people.