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 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 . 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 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 only you spend together, but you also have a useful item to give as a gift to your friends, family, or coworkers. Specification: Product Name: Adjustable Mold Housing Kit Size (about): Corner Block: 4.3x4.3x5cm/1.69x1.69x1.97in Center Block: 5x5x1.8cm/1.97x1.97x0.71in Clip: 3.2 cm/1.26 in Note: 1. Please don't use resin directly with this mold shell, the resin stick to the plastic. 2. Please don't use a silicone mat as the bottom, because the silicone stick to the silicone mat. 3. The mold shell kit only form a box frame without a bottom, for the bottom, you can use the double-sided tape included in the kit to stick the mold frame to PVC board, ABS plastic board, PLA board, acrylic board, etc. Material: silica gel colour: Package Contents:4 x corner block 8 x center block 12 x binder 1 x seamless tape Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.