Create a stable shooting platform in almost any situation. The match bag is made from heavy duty, abrasion resistant 600D nylon with micro-suede padding on rifle contact points. It is also equipped with a non-slip rubberized base to keep it stable and in place during use. The bag is supplied filled with a ground plastic material which holds its shape well and is light enough for easy carrying. Filling can be adjusted for optimal volume. Lyman bag jack is designed to make it easy to adjust the elevation of your rifle and bring it into line with your target, while also allowing you to maintain a comfortable shooting position. Compact, stable, and infinitely adjustable, the bag jack is the perfect platform to set up your shooting rest at the range. Create the optimal shooting position under any shooting conditions. The bag jack corrects the height with a simple turn of the adjustment knob. The lift is made from sturdy aluminum and steel components and has a non-slip textured platform. The lift is 10" x 10" so it can accommodate the largest size rests, and collapses for unmatched portability..