RELIABLE CLASSIC BACKPACK: Constructed with durable 600D polyester, the classic backpack is made to last; waterproof, anti-scratch, high load-bearing but lightweight; Upgraded reinforced shoulder straps with smooth metal zipper markedly expand the pack's life span UPDATED STRUCTURE MADE EASY: The basic backpack has one top-loading compartment for storing the majority of your gear books, notebooks with one laptop sleeve that snugly fits your laptop up to 15.6 inch; One front exterior easy access zipper pocket is for your small stuff and two side water bottle pockets ROOMY IN STYLE: External dimensions: Main compartment: 16.7x13.8x6.6 Inch, Front pocket: 9.3x7.5x1.9 Inch; Weight: 1.2LB/0.5KG only; Large Capacity: 25 L; A good-size laptop backpack in a modern, streamlined silhouette ideal for school, work, travel, everyday use and outdoor activities CARRY AT EASE: Skillfully designed for comfortable carrying all-day long. Adjustable mesh straight-cut padded wide shoulder straps and soft mesh back panel that ergonomically decrease pressure of shoulder and neck, give more breathable, ventilation, heat dissipation that support carrying comfort COMPREHENSIVE USE: This stylish backpack comes in a variety of patterns to reflect your style & needs, a great companion for those who like casual and for students often bringing their college textbooks and notebooks; Carry your backpack with confidence, knowing we'll replace or refund any breaks