Shooting Rest Bag , H Shape with a string to control Weight or shape , Tufforce Items No. TL-SB01H Tufforce TackDriver Shooting Rest Bag, H shape Size filled 6x 7.5x 5.5 Unique Feature: Weight and shape controlled by a string The best Material made: PVC 600 D, Military green color Allow to fill rice, sand, plastic powder... 7.3 lbs filled rice/ 15 lbs filled sand Total 6 similar items on sale with different shapes to be suitable for any shooting situations from front to rear stock.