This case is flat-packed and assembled by screwing together the front and back acrylic panels with the sides, using 8 screws provided. The lid is then placed on top. The model is placed onto the base, which is available in black or white. The clear case is then placed over the model and sits onto the base. Made from 3mm thick acrylic. These display cases can be stacked on top of another. LEGO model not included. Approximate Internal Size: 320mm(L) x 130mm(W) x 300mm(H) Fits 40x16 studs.