Monolith Motion II Wheeled Laptop Backpack for Laptops up to 15 inch Black 3207 This two in one laptop backpack and wheeled case is ideal for travel and can be used as hand luggage. A large, padded pocket protects laptops up to 15.6 inches and the backpack is expandable to fit everything you need when travelling. Use as a backpack with padded, adjustable straps for added comfort, or as a wheeled case with a retractable locking handle system. The zippers are also lockable for extra security.