The Hades is a 20-40 Ltr laptop compatible model that comes with 2,3,4 & Multi compartment variants 4 colour options to suit your daily & professional requirements. The front bay/compartment/packet has an organiser while multiple external bays provide for extra handy storage like Pen drives, Mobile, Mobile chargers, Air Tickets, with a zip lock to keep your Passport. An integrated rain cover ( available on Ultra Model) keeps your backpack dry during rains & dust The Ventex back system has multiple air channels for better sweat management. This Hades Backpack can be used as School Bag / College Bag and Laptop Bag. (In the laptop compartment, the exclusive removable Laptop sleeve kept where you can port / carry your Laptop on move separately) Features 4-colour option Red,Blue,Green & Black Water resistant. An exclusive detachable Laptop Sleeve to fit up to 15.6" Laptop, Tablet,etc. Professional Organiser to keep your passport, Tickets, Mobile etc.. Bar Tack ( Zig Zag) Stitches at 14 vital junctures to ensure tensile reliability. Soft Handle for ease of lifting YKK Runners and Zippers Secret pocket for your cash/passport/Valuables (On Ultra) Integrated Rain/Dust Cover (On Ultra) Adjustable sternum straps to keep the backpack snug (On Ultra) 5 years warranty for Zips & Runners Material: Nylon/Polyester Capacity: 2 bay-20 Ltrs, 3 bay-25 Ltrs,4 bay-30 Ltrs,Ultra-40 Ltrs Warranty Type: Manufacturer: 5 years* domestic warranty ( see warranty terms on hivabags.com) Item Height : 50.8 Centimeters Item Length : 23 Centimeters Item Width : 33 Centimeters Item Weight : 795 Grams