[Premium Stainless Steel Material]This beehives nest door is made of stainless steel material, anti-rusty and. [Timely Flowing the Air]For timely flowing of the air in the beehive. The round beehives nest door is a good helper tool for the beekeeper. and healthy. Easy to use. [Four Access Options]The beekeeping tools provide four access methods: fully open, queen excluded, closed ventilation and fully closed. [Easy to Operate]This bee entrance discs door is simple to operate, high performing, and cost-effective. [Easily Access and Out]Install it on the beehive to easy for bees to in and out. APPLICATION: The beehive entrance gate is used on with a round entrance hole. Perfect for being to set exclusion to the hive by size of the bees, queen, drone, and all. WAY TO ENTER: Fully open, large exclude, close ventilation and close completely. The disk can be rotated to so that the correct quarter covers the entrance hole. Colour:As Shown Material:Stainless steel Package Contents: 15 x Bee Hive Entrance Discs Doors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.