Assembled Frames with Perma-Dent Foundation are wax-coated foundations for use in your bee hives. Mann Lake's Pema-Dent Foundations are made in Hackensack, Minnesota and are BPA/BPS-free! It features a precision cell shape and offers an excellent place for your bees to start building a comb. Perma-Dent comes with the bottom corners of the foundation already cut to form communication holes. Bees like to crawl through them on their way from one frame to another. Designed with our customers in mind! Glued and stapled frames, resulting in a top-quality product that can't be beaten! Assembled frames are shipped to you with our economical Perma-Dent Foundation already inserted so all that's left for you to do is install them in your boxes.