The Pantac PH-C848 is a very interesting product. When it is zippered, it looks like a ordinary utility pouch, when unzipped, it can expand to a 9" x 9" x 4" large dump pouch. It can be mounted on vests, ballistic belts or Molle leg panels or hung to a duty belt. Made of heavy duty, abrasion and water resistance 1000 denier Invista Cordura nylon fabric. Military specification nylon webbing, light weight, abrasion and low temperature resistance. Most durable YKK zippers, heavy duty guarantee. ITW Nexus & UTX buckles are adopted to comply with military specification. Heavy duty mil spec sewing seam. Mil Spec 420 denier Nylon liner improves durability and water resistance. Mil Spec velcro can be used over 20,000 times. UTX top quality brass snap buttons are used for superrior longevity