"Sand bags" or in this case "bean bags" measure 2-1/2x4-1/2 inches
Sand/bean bags are 1" thick and filled w/pinto beans.
Material for bags measures 3-1/2" x 9".
Fold material in half, sewing 2 side seams (1/2" seams) and half of open end.
Turn bag with seams inside. Fill with pinto beans making bag 1" thick. Finish sewing bag shut.
Finished bag measures 2-1/2"x4-1/2"