Item Type: Beehive Vent_x000D_ Weight: Approx. 115g / 4.1oz_x000D_ Product Size: Approx. 5.4x5.4x3.5cm / 2.1x2.1x1.4in_x000D_ Material: Plastic_x000D_ Purpose: Beehive Ventilation Window 1Professional design, it is an indispensable tool for beekeepers to keep beekeeping. It can help better manage beehives and give you peace of mind. 2Scientific hole, the holes on the grid are perfectly designed, which can allow the worker bees to pass through the hive at an appropriate time and help the bee colony to live normally. 3Using high?quality ABS material, it is sturdy and durable, and can withstand the daily use of the beehive, has a long service life, and is cost?effective. 4Safe and reliable, all materials used in this beehive are non?toxic, safe and environmentally friendly, and can not harm the health of bees. 5Small in size, it is lightweight and portable, it will not cause excessive weight and burden when installed on the beehive, and it can be used easily.5 x Beehive Vent