WITZMAN Outdoor Travel Duffels Backpack School Casual Daypack Canvas Rucksack 6695 (6661 Canvas Black) Dimensions: (L)11" x (H)19" x (W)5.5"; Material: Superior quality canvas with PU leather; Weight: 1.30 kg (2.86lbs); Multi Compartments: 4 side pockets for small accessories or water bottle; 1 large main pocket with a laptop compartment hold a 16 inch laptop; a back pocket; Feature: The back shoulder straps can be hidden in the back secret pocket, when you use this backpack as a cross body bag, shoulder bag or tote; Perfect for travel, school, work, outdoor, casual, etc; Soft shoulder foam padded straps help relieve the stress from your shoulder, and you can adjust the length of the shoulder straps if you need; Warranty: All of our bags have 1-YEAR WARRANTY and the Removable Duffel style strap is Lifetime Warranty. Any problems with your bag, please contact our customer support team for quick solutions by contacting us through Amazon; Nylon backpack: Made by high quality water resistant nylon with good pu leather trim. (not waterproof); High quality zinc alloy zipper pullers with PU leather zipper pullers, with nice workmanship and well-sewn craftsmanship, make this bag more luxury and durable; Invisible shoulder strap design, make this bag to be a multifunctional bag: A pocket in the back for putting the shoulder straps when you use this bag as tote and cross body bag; Canvas backpack: Made by high quality thick cotton canvas with good pu leather trim. High quality zinc alloy with PU leather zipper pullers, with nice workmanship and well-sewn craftsmanship, make this bag more luxury and durable; Invisible shoulder strap design, make this bag to be a multifunctional bag: A pocket in the back for putting the shoulder straps when you use this bag as tote and cross body bag; PU Leather backpack: Made by good pu leather in ourside; High quality zinc alloy with PU leather zipper pullers, with nice workmanship and well-sewn craftsmanship, make this bag more luxury and durable; Invisible shoulder strap design, make this bag  to be a multifunctional bag: A pocket in the back for putting the shoulder straps when you use this bag as tote and cross body bag. This multipurpose backpack size: (H)19&#034; x (L)11&#034; x (W)5.5&#034;; Material: 1. Nylon backpack 2.Canvas backpack 3. PU Leather backpack; Multi-purpose design: This travel backpack can be used as backpack, tote bag, cross body duffel bag. Perfect for use as outdoor backpack, travel backpack, carry-on, casual backpack. 4 x side pockets for small accessories. 4 x D rings for hanging your things. 1 x main compartment that has enough room for your 15.6 inch Laptop, cell phones, 12.9 inch iPad, A4 binder, books, notebooks, clothes, shoes,  passport, pen, keys, wallet, umbrella, water bottle and more. 1 x laptop pocket that can hold a laptop up to 15.6 inches;