[Open & Close Panel Design] Our hive door is designed with a snap panel for controlling the hive door on and off. During the daytime, open the panel to easy for worker bees to come in and out to collect honey, and also to ventilate and cool down the hive. At night, the panel is closed to prevent such as bull ants from entering the hive and to keep the hive warm. When the panel is open, it also makes it easier for bees to stay and shake off pollen. [Easily-use and Portable Beehive Entrance Reducer] Our bee hive reducer is simple and easy to operate. Simply use a hole punch to punch holes in the hive and then use screws to secure the bee hive ventilation window to the hive once and for all. Our plastic beehive entrance reducer is and portable, so you can easily slip it into your toolkit and take it to the bee factory for large-scale operations. It is compact and practical, and more economical for large-scale use. [Powerful Hive Door] Is the temperature and humidity of your hive high? Use our bee hive entrance reducer to easily regulate the temperature and humidity to help bees grow healthy.Multi-tiered hives with tough access for bees to get in and out with just the bottom hive door?You can use our beehive travel gate to give bees an extra exit by installing in desired location. Is the bottom hive door prone to other organisms entering hive? Installing our hive door can effectively protect hive. [Year-round Bee Hive Ventilation Window] Different from ordinary plastic tools, our beehive entrance reducer is made of food-grade plastic, to use and 't cause any problems for the bees. High-grade plastic, high stability, not be damaged or deformed in extreme weather. Unlike metal , our plastic bee hive mouse guard is not easy to get hot when exposed to heat, so you can use it in summer. Make a long term wise investment by choosing us. [Essential Beekeeping Supplies & Tools] For one such beautiful price, you can get up to 6 square bee hive entrance reducers, convenient to use and replace for multiple hives.(We recommend 2 screws for a single bee hive entrance reducer, diagonal installation is sufficient) We sincerely wish you more and more full colonies and larger beekeeping scale., Weight: 0.25683853523 Pounds, Manufacturer: Feyoalix