Introducing our cutting-edge Anti-Theft backpack with a built-in Alarm System, setting a new standard in safeguarding your valuables. Our backpacks boast a unique alarm system that activates instantly when anyone attempts to tamper with the zippers, giving you peace of mind like never before. But that's not all – these backpacks also offer a dedicated laptop compartment, a convenient USB charging port for your devices, and, of course, our signature waterproof drawstring cover. Experience the ultimate fusion of security and convenience in one remarkable college backpack. Fabric400D Twill Polyester PU Coated Fabric, 500D PU Coated Plain Polyester,600D PU leather 210D PU Coated Lining.Zipper#8 SBS Zipper/ #8 Alarm RunnerCompartmentOne spacious compartmentLaptop CompartmentYesLaptop Compartment Size in Inch (If Yes)15.5 InchOther FeaturesA spacious compartment, a Rain bag to protect your pack from rain, a Standard organizer to store basic essentials, an Airflow back system with a padded shoulder strap, a Litter pouch, and a Side drink pouch.Dimensions 47X34X23 CMCapacity (Liters)36Weight (Grams)905Back PaddingYesOrganizer1 zipper pocket, 2 Flat Pkt & Two Pen LoopHandlePaddedBottom/ BushEmboss PVC FabricSide PocketOne Side Watter Bottle Holder PouchLitter PouchYesBottom PaddingYesWater RepellentYesWarranty1 YearIncluded ItemsBackpack & Rain Cover