Reliable Material The main material of the underarm anti-theft bag is rubber material, which is wear-resistant and durable, very elastic, strong and waterproof. In addition, the product is small in size and light in weight. Anti-theft Design AntiTheft Underarm Bags adopts an innovative anti-theft design, with a holster on the shoulder, you can put your valuables under the jacket to avoid being stolen by thieves. The underarm double shoulder pocket has many advantages, so it is a very good choice for family, friends, couples, they will like it. Simple and easy to use anti-theft leather shoulder bag with adjustable shoulder strap, easy to adjust the length, there are also detachable and adjustable double buckles, and the telescopic rod can also be adjusted. Backpack underarm is suitable for various occasions and various groups of people, whether commuting to work or outdoor activities, this product is very suitable.