Secure your belongings with extreme power with the Loctote Flak Sack Heavy-Duty Drawstring Backpack. Featuring a double layer of UHMWPE fabric, this bag is slash-proof, abrasion-proof, and tear-resistant. Even the craftiest of thieves won’t be able to access your gear inside. In addition, the Flak Sack is equipped with a highly durable solid brass lock. This works in conjunction with a patent-pending steel reinforced locking strap. This allows you to attach the Flak Sack to virtually any object with total peace of mind. The exterior is superbly protective and is even water resistant. Once inside, there’s an inner pocket that offers RFID blocking to also keep you digitally secure. With a 13-liter capacity, you can fill this bag with everything you need on your adventures.