Ventilation & Observation? -Our bee hive features an window for the hive ventilation and convenient observation. Just open the observation window with one hand, then you can clearly know the condition of the bees and honey in the box. (Please note:Not glass window). Biomimetic Wax Coating? -Our beehive box is dipped in 100% beeswax coated to help attract bees better. The inlet reducer and top vent design can create a ventilated, warm and safe environment for bees in the bee box. Complete Accessories? –These bee hive boxes starter kit include 1 solid bottom board, 1 entrance reducer, 1 inner cover, 1 metal top cover, 1 queen excluder, 10 deep frames and 10 medium frames (with waxed plastic foundation). Kindly remind that our accessories do not include nail. Unbelievable Features & Materials? -The Langstroth beehive is made of fir wood, easy to keep dry, corrosion-proof, and sturdy enough for harsh outdoor weather. The inner beehive frames are made of pine wood for enhanced air permeability, providing a better internal environment. Standard 10-Frame Langstroth Beehive. This solid wood beehive is designed for beekeepers, creating a secure home for their bees. The beehive is beautifully crafted from cedar and pine wood. Get ready to enjoy beekeeping with VEVOR!