Feature:1. A good helper for beekeepers. Safety and health. Easy to use. Made of stainless steel, safe and non toxic, no harm to bees2. Simple operation, high performance and cost effective. Stainless steel, rust proof, safe and non toxic3. Four entry modes, fully open, fully discharged, closed ventilation and fully closed4. Installed on the beehive to facilitate the access of bees .Good quality, durable, can be used for a long time, bring a lot of convenience5. With the fine workmanship and accurate size, it can perfect fit your beehive, providing assurance for your beekeeping workSpecification:Item Type: Round Beehive DoorProduct Size: Approx. 6.8cm / 2.7inWeight: Approx. 120g / 4ozMaterial: Stainless steelUses: Door Ticket Package List:10 x Round Beehive DoorNote:Please allow 0 to 2 cm error due to manual measurement. Thanks for your understanding.