This mold housing kit can be assembled into 3 sizes of rectangles and 3 sizes of squares in different combinations. The maximum size of the square is 15x15cm/5.91x5.91 inches and the maximum size of the rectangle is 19.9x10cm/7.83x3.94 inches. The height can be up to 5cm/1.97 inches. This silicone mold housing kit is made of high-quality plastic material, reusable, , and sturdy for long-term use. The smooth is easy to clean and release. and scratch . Comes with 4 corners, 8 center pieces, 12 binder clips, and 1 roll of non-marking tape. A must-have for craftsmen, perfect for candle molds, soap molds, silicone molds, and resin molds. To avoid liquid silicone leakage, we recommend that you also use a hot glue to seal the bottom. This silicone mold housing is perfect for arts and crafts projects such as making soap molds, candle molds, silicone molds, and resin molds. This adjustable mold housing kit is a fun project to do with your family or kids. Not spend together, but you also have a useful item to give as a gift to your friends, family, or coworkers.