The Kubility BACKPACK KUWOW is backpack suitable for all-day use. With its cool outlook and powerful functions, this backpack is good for both business and leisure purposes. It is equipped with intelligent Bluetooth, designed to prevent lost and theft, with additional passcode lock to ensure its security. The design of the backpack—–from the inside to the outside, from the interlayer structure to inside bag combinations—– gives full consideration to its both indoors and outdoors use, as well as its storage convenience for daily necessities. In addition to its scientific design of weight-carrying mechanism, it also utilizes the new lightweight materials with waterproof fabric, including the innovative use of DuPont Kevlar bulletproof material (Kevlar) as interlayer, which is heat resistant, flame retardant, anti-static, and anti cutting or tearing. KUWOW is your best friend!