Happybuy Langstroth Bee Hive 4 Layer Langstroth Box 20 Frame Beehive Frames 2 Brood Box 2 Super Box Langstroth Beehive Kit Main Parameter: Material: 100% Natural Chinese fir wood, Type: Beehive;Size：25.98 x 16.93 x 9.45. High Quality Fine Wood: Beehive box is made with high quality fir wood, strong corrosion resistant ability.Wooden Beehive Box meets the international standard moisture contect of 5% by drying treatment, which ensures not crack/deformation exist. Please Note: Products come unassembled and will require some easy assembly. Stainless Steel Excluder: Keeps the queen from travelling to upper section of the hive and can be removed when desired and help keep the elements out,the reduce entrance reducer and the bottom board effectively keep the insects outside. Stylish and Beautiful: Secure and convenient. High quality, easy to removed and installation, easy to remove the honeycomb, and provent the bees from touch touching the honeycomb and the hive wall ,it's the best choice for the beekeepers.