Amazon.com: Volksy Bags Genuine Leather Convertible Backpack 。New with tags Kuni \"The Versatile 4 in 1 Bag\" in cognac brown nylon. Converts to laptop bag, backpack, shoulder/shopping tote, or wheeled trolley with extendable handle and wheels. Durable water-resistant material, zippered compartments, padded interior for 13-15\" laptop, adjustable straps. Compact foldable design (approx 15\" x 10\" x 4\" collapsed, expands for travel). Ideal for commuters, students, or everyday carry. Excellent new condition—original packaging, no wear. Keywords: Kuni 4 in 1 versatile bag, brown convertible backpack, Kuni trolley shoulder bag new, 4 in 1 laptop backpack tote, Kuni multi function travel bag NWT, wheeled trolley backpack teal, Kuni 4 way convertible bag, new Kuni versatile bag blue, expandable trolley shoulder bag, Kuni backpack laptop carrier, 4 in 1 shopping trolley bag, Kuni foldable travel bag new with tags, Travel Bag