Thank you for viewing. This is a Japanese honeybee stackable hive, 3 tiers. Set Contents: ◦ Stacking boxes x 3 tiers ◦ Entrance box x 1 ◦ Slatted floor x 1 ◦ Top board x 1 ◦ Bottom board x 1 Sizes: Stacking Box: Outer dimensions: 300mm x 300mm, height 150mm, board thickness 30mm Inner dimensions: 240mm x 240mm Entrance Box: Outer dimensions: 370mm x 300mm, height 135mm, board thickness 30mm Inner dimensions: 240mm x 240mm Entrance height: approx. 7-8mm, width 150mm Slatted Floor: Approx. 300mm x 300mm (plywood 9mm) Top Board: Outer dimensions: approx. 345mm x 345mm, height 75mm Bottom Board: Approx. 240mm x 370mm, board thickness 25mm Product Description: The main material is Japanese cedar, except for the slatted floor. The cedar boards have knots (large knot holes are not used). The bottom board is a sliding type for easy cleaning. The entrance board can be removed. There is a space of about 45mm between the top board and the slatted floor where you can place menthol for mite prevention or food. *Because wood is used, please understand in advance that there may be some deviations, wobbles, and slight differences in dimensions, stains, scratches, discoloration due to sun exposure, and cracks due to warping, twisting, knots, splitting, and expansion/contraction during the manufacturing process.