Constructed of Cordura® ballistic nylon- a high performance fabric resistant to abrasions- tears- and scuffs. Heavy-duty nylon zipper. Great for transporting contracts- quotations- work orders- plans- and schedules. Convenient storage for pliers- wrenches- screwdrivers- nut drivers- other tools and spare parts. Cordura® is a registered trademark of INVISTA for durable fabrics.