This Knack Large Expandable Knack Pack backpack is perfect for travel and everyday use. With a solid black pattern and made from a durable combination of polyester, nylon, and YKK zippers, this backpack is both stylish and functional. The bag has a zip closure and a top handle for easy carrying. The backpack measures 14 inches in width, 21.5 inches in height, and 9.5 inches in depth. The lining material is made of polyester and the fabric type is nylon. The backpack was manufactured between 2020 and 2029 in China and is part of the Knack Expandable Backpack product line. The hardware material is Duraflex Hardware. This backpack is perfect for men who need a large, expandable backpack for their travels or everyday use.