Steel frame stool changes to backpack with rubberized lining. 600 denier nylon. Backpack is great for storing material and much much more. Very coveinant product. Adjustable shoulder strap. Stool has sturdy legs braces to prevent sinking into ground, sand, dirt or soil. Great for seating where permanent seating is not possible or practical. This includes mostly large outdoor or indoor cultural events such as funerals, college graduation, religious sermons and sport and athletic games and competitions. In the private sphere, folding chairs are used for any social situation requiring extra seating such as parties, card games, and temporary seating at the dinner table. Great for traveling, camping or backup seat to take on road trips. GI Government Issued style. OD back pack and seat combo. Olive Drab backbapck and stool combo. Stool dimensions 18" x 13" x 9" (inches). Bag dimensions 17" x 10" x 5" (inches).