SumacLife Cady Briefcase Messenger Bag for Microsoft Surface Book 13.5 inch Laptops (Black) SumacLife Cady Collection Briefcase Messenger Bag, Designed to fit Asus 13.3 to 14 inch Laptops / Notebooks / Ultrabooks Multiple storage compartments allow you to carry more devices and accessories Semi hard, durable constructed exterior along with a soft polyester lined interior Dual Touch fastener straps securely hold your device in place and prevent from falling out Features anti-slip grip top carrying handles and includes a removable shoulder strap