... Bag or School Trolley Bags,Two Exterior Pockets and a Mesh Water Bottle Pocket, Super Strong 600 Denier Fabric, Two Stage Telescope ... Ideas Our wheeled backpack features a sturdy telescopic handle, a double wheel base, two exterior pockets, a mesh water bottle pocket, padded shoulder straps ... Fabric and measuring 13" x 17" x 6",this is a large easy-to-use backpack for school, overnights, and travel ...