The full-length zipper closure allows you to easily access all your supplies when needed. For security purposes, tactical duffle bag includes a center metal loop for padlock attachment to prevent theft. Store important travel documents, identification forms and other paperwork in the hook and loop ID window. The identification window (7 ½” X 5”) features a hidden document pocket and an interior loop field so you can attach name tape. Constructed with heavy-duty unwashed canvas material and reinforced stitching, the improved duffle bag will be one of the most durable and versatile bags you own.