We've taken the original antitheft drawstring backpack to the next level with the Flak Sack Sport - a medium to large anti theft travel backpack made from our patented FLAKweave fabric, which has an A4 cut level rating! This pickpocket proof bag is a portable safe for your valuables, designed for those who need their essentials with them while traveling but can't keep a constant eye on them. With its locking feature, this anti theft backpack not only carries your belongings, but protects them as well, making it the ideal security backpack for travelers. This versatile backpack is suitable for both men and women, and can be used as an anti theft backpack purse for women or an antitheft backpack for men. Whether you're looking for a travel backpack purse or a backpack that provides maximum security, the Flak Sack Sport is the perfect choice.