25 lbs of Duragilt Foundation. Dadant researched & Dadant developed. A plastic bonded beeswax foundation with metal edges. Saves labor, easy to use. Metal edges reinforce and strengthen foundation. Deep Worker sized cell imprints, Beeswax bonded to a plastic inner sheet, Precision milled, No additional cross wires needed, Communication holes for bees. Foundation size is 8 1/2 inches x 16 3/4 inches fits 9 1/8 frames. Approximately 6 sheets per pound Used with grooved or wedge top bar frames.