KAUKKO Vintage Casual Canvas and Leather Rucksack Backpack How About the Material?---16OZ CANVAS is eco-friendly and durable. with high quality of NYLON LINING makes this backpack more high-end. Can it FIT 15 inch Laptop?----- KAUKKO LAPTOP BACKPACK fits to most 14-15 inch laptops. Approx Dimensions(L*W*H): 10.6*6.3*16.1(inch),27*16*41 cm Capacity: 19L (Medium capacity) ,The straps are 3 inches wide, adjustable shoulder strap,it's very fresh and silken. Sufficient use of PLENTY POCKETS?3 zippered up pockets on the outside.The zipper metal tag is large and easy to grasp. a main compartment ?closed with a single velcro strap ?you could easily insert a composition notebook sideways, and still have a couple of inches of room at both ends.the inside is 16 inches deep by 14 inches wide.At the front, there are two straps for closing. You can strap it closed by sticking the leather strap into the buckles. NEW FEATURES: DRAWSTING CLOSURE at main compartment, which do secure your contents well. NO-RISK WHEN ORDER. Warranty: KaukkoDirect Promise- 6 months Warranty-Exchange(within 30 days), return(The first 60 days), whatever it takes.