25 lbs of Medium Brood Foundation. The Original 100% Pure Beeswax Foundation. Our lowest priced Foundation. Unreinforced, precision milled, pure beeswax sheet. Precise Even Milled Worker Sized Deep Walled Cells. We recommend cross wiring frames for strength. The foundation size is 4 3/4 inches x 16 3/4 inches and fits 5 3/8 inch frames. Approximately 13 sheets per pound. Used with wedge top bar.