Thank you for viewing. This is a Japanese honeybee stackable beehive. Sizes: Super Boxes Outer dimensions: 300 x 300 x height 105 x board thickness 30 Inner dimensions: 240 x 240 x height 105 x board thickness 30 Entrance Box Outer dimensions: 300 x 370 x height 105 x board thickness 30 Inner dimensions: 240 x 325 x height 105 x board thickness 30 Entrance opening: 140 x 7 Top Board Outer dimensions: 375 x 315 x board thickness 30 Product Description: Handmade by craftsmen! The main material is Japanese cedar. *Some cypress is used. No plywood is used at all! There is a space of about 5 cm between the top board and the slatted floor, where you can place menthol for mite prevention or food. The bottom board and the entrance lid are slide-out and removable, making cleaning easy. Due to the use of natural wood, there may be cracks, warping, some shrinkage, and rattling, but please understand this beforehand.