ibagbar Classic Canvas Backpack Black Canvas Fabric Warranty: All of our bags have 1-YEAR WARRANTY(Replacement or Refund). Any problems with your bag, please contact us. Main material: This backpack is made of 98% quality cotton canvas and 2% genuine leather zips. Organization: 6 POCKETS total. A main leather zipped compartment with 2 inner pockets, 1 front zipped pocket and 2 side outer pockets. Approx Dimensions: 12" L x 18" H x 7"W; Capacity: 30L (fits up to 15.6" Laptop.) Adjustable padded reinforced strap,reinforced bottom strap Ibagbar: It's such an awesome backpack that you will receive many compliments from your family and friends.