Single Medium Or Honey Super Beehive Plastic Foundation, Coated With Beeswax, Light Color Bees Take Seamlessly To This Durable Foundation, Use 10 Of These Per Medium Honey Super With A Frame, Will Fit Any Standard Langstroth Medium Honey Super Box Or Frame, For Use With Frame #WWFUM-102 & Inside #WWBUM 102 & #WWBAM-102.