Thank you for viewing. This is a Japanese honeybee stackable hive. Sizes: Super Boxes: Outer dimensions: 295 x 295 x height 148 x board thickness 25 Inner dimensions: 245 x 245 x height 148 x board thickness 25 Entrance Box: Outer dimensions: 295 x 370 x height 148 x board thickness 25 Inner dimensions: 245 x 345 x height 115 x board thickness 25 Entrance opening: 140 x 7 Top Board: Outer dimensions: 375 x 315 x board thickness 25 Product Description: Handmade by craftsmen! The main material is Japanese cedar. 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.