5 Pack, Plastic, Medium Hive, Body Beehive Foundation, Coated With USA Beeswax, Light Color Bees Take Seamlessly To This Durable Foundation, Fits Inside A Standard Langstroth Medium Honey Super Beehive, Use 10 Of These Inside Of Medium Frames For Each Of Your Medium Honey Super Hive Bodies, Will Fit All Standard Size Medium Frame, For Use With #Wwbum-102.