This ideal backpack ergonomic design and luxurious extra thick soft padding on the back panel minimizes load stress. Its a large size and high volume capacity backpack which is made of fabric with high tenacity twisted full draw yarn in oxfor, weave making it ultra durable and hyper water resistant. 4 large zippered compartments, worlds best japanese brand YKK zippers and sliders make this backpack super desirable. Unisex design s curve backstrap made from high density 23 density epe foam padding is comfortable for both boys and girls. Due to the high density foam it retains the sponginess for much longer. Other features include easy access zippered front pocket, 2 side stash pockets made from premium, sturdy, anti-tear bottle net fabric and elastic with long life retention of stretchable ability property, anti-sweat breathable air mesh, smartly designed secret hidden pocket on back panel, adjustable straps made of reliable high density polyester webbing, lock stitch for more load bearing capacity. Hybrid design backpack, ideal for school, travel and office. So, hurry and dont miss out on this backpack. Outer material- polyester, colour- its my time now black water resistant capacity 37 L, weight 810g dimensions 35cm x 26cm x 46cm l x w x h number of compartments 4 laptop compatibility yes, laptop size 17 Inches, handle type graby strap type adjustable warranty type manufacturer warranty is for 1 year from the date of purchase and is against defects in materials and workmanship, the defective bag is to by delivered at the users cost, it is a carry in type of warranty. Warranty is not valid for damages resulting from accidents, mishandling, negligence, unauthorized repair, tampering, loss of components or accessories, normal wear and tear, exposure to extreme heat and temperature, solvents, acids, and exposure to rain or water elastic with long life stretch retention- ergonomic design side stash pocket secret hidden pocket, thick padded base.