Versatile Business Travel Luggage Bag, Made From Waterproof Oxford Cloth & Featuring a Durable Aluminum Alloy Trolley. It Offers Large Capacity with a Dry & Wet Separation Bag, Fits Laptops Up to 15.6 Inches, & Can be Used as a Backpack Rucksack, Hand-held, or with Trolley Wheels. Additional Features Include Side Zipper Bags for Water Bottles & Umbrellas, Plus a Luggage Strap for Easy Suitcase Attachment.