Simple as that® lifetime warranty even covers airline damage. Ballistic nylon outer fabric resists wear, water, dirt and abrasion Speedthru pocket for quick storage of items at security checkpoints Multi-section design for streamlined organization and versatility Rfid blocking pocket for credit cards and passports hinders unauthorized access to personal data Removable shoulder strap included Details: Remain highly mobile and professionally polished with this large clamshell backpack, featuring ultimate laptop and tablet protection and capacity for files in an ergonomic design, a great carry-on that fits 17-inch laptops, lifetime warranty