ibagbar Classic Canvas Backpack Dark Grey Canvas Fabric Warranty: All of our bags have 1-YEAR WARRANTY(Replacement or Refund). Any problems with your bag, please contact us. Durable BackpackMade of 98% premium cotton canvas and 2% genuine leather zips.Study hanging hook,every seam is reinforced. Roomy Rucksack: 12" L x 18" H x 7"W; Capacity: 30L. Large main compartment holds up to 15.6" laptop. Keep Your Essentials Organized: 6 POCKETS total.Main compartment,two small interior pockets hold your small devices.Front pocket for the storage of gadgets,and pockets for water bottles on both sides. Designed for Comfort: Ergonomic padded shoulder straps for pain relief, reinforced bottom strap, full adjustable for your comfy. Multipurpose Stylish Knapsack: The classic daypack is perfect for day-to-day use or day trips, vacation, travel, day hikes, school,sports,gyms,cycling,camping and shopping, and great gift for everyone!