(Step In Style Allows You To Get In & Out Of Your Gear Fast)Made of heavy-duty water resistant Polyester/Nylon Main compartment has double zipper for easy packing and unpacking Additional storage in a flat, zippered outside pocket for gloves, hood, and other small items. Step in to your boots and pull up pants....when packing bag just step in bag and pull gear down, then zip. - Heavy-Duty Nylon Zipper. 1-1/2"Full Across Web Straps Size: 20" X 17" X 16" Front Pocket: 13" x 16" , Material: 600D Polyester. All packed 25/Case.