This is an injected molded plastic raised cell sheet coated with 100% Beeswax to help bees start drawing cells quickly. The best plastic foundation available. Tested and proven as the ultimate in plastic foundation. Precise deep cell walls. Uniform exact cells.

Fits 5-3/8" frames. Foundation size is 4-3/4" x 16-3/4". Used with wedge top bar or grooved top bar frames.