Save big when you buy this 3-in-1 kit! 
You get:
 
Telescoping Cover
Notched Inner Cover
Assembled Bottom Board treated
Entrance Reducer
 
Telescoping Cover is heavy-duty aluminum that telescopes over the top of the hive to keep out the elements. The notched inner cover is built to last for years of use in the hive! Place our Inner Cover underneath the Telescoping Cover. Masonite-free and fully assembled. Assembled Bottom board provides the entrance to your hive and gives the bees proper space to work. Our Bottom Board is constructed with 3/4" plywood stapled and glued and made to last.