BeeCastle 20 Pack Beehive Frames and Waxed Foundations for Deep Brood Bee Hives with Wooden Bee Hive Frames and Beeswax Coated Foundations, 9-1/8-Inch (Black). 20-Pack Deep Hive Frames: The bee frames have 20pcs bee hive frames and waxed foundations for Deep Brood Box. Fits to Standard Langstroth Beehive Deep Brood Box. Beeswax Coated: The foundations of deep frames for bee hives are dipped in beeswax, which makes beehive foundations more acceptable to bees and helps bees to build honey comb quickly. Safe Material: The foundations of bee frames deep were made of food-grade plastic, which is safe for bees. The black color also helps to inspect eggs. The wooden frames of the deep hive frames are pine wood. Easy to Assemble: Comes with 20pcs wax coated foundations, 20 sets of wooden frames(including 40 Sidebars, 20 Top bars, 20 Bottom bars) and nails for assembly. It’s very easy to assemble. You can also use wood glue to add stability. Standard Size: Deep Beehive Frames(9-1/8 x 19 x 1-3/8). Be Used to swap during harvesting or replace broken frames for Langstroth Deep Brood Beehive. FSC-Certified: The beehive frame is made of FSC-Certified wood.