Value Package : Comes with 4pcs corners, 8pcs centerpieces, and 12pcs 0.98'' binder clips and 1pcs double-sided tape.A must have for craftmen, great for making candle molds, soap molds, silicone molds,resin molds. TO AVOID the leaking of liquid silicone, we recommend you also use a heat glue gun to seal the bottom. High Quality: Made of premium ABS plastic material, which is durable and sturdy enough to serve for a long time. Easy to clean and demold with the smooth surface. Reusable, lightweight and scratch-proof. Adjustable Mold Housing: This adjustable mold housing set can be assembled to form 3 sizes of rectangles and 3 sizes of squares by different combinations; the maximum size of the square is 5.9 x 5.9 inches; the maximum size of the rectangle is 7.84'x 3.94 inch.Height up to 2 inches. Buy 2 Kit For More ChangeBuy 2 kits to make a bigger or taller mold housing, you can use a hot glue gun and more binder clips to stick and strengthen the housing frame to avoid the silicone leaking. Ideal for making silicone resin molds, soap molds, candle molds of various width and height. Notice: 1. These silicone mold housings are for casting silicone mold, but not for resin castings (Resin will stick to the housing). 2. Please do NOT use silicone mat as the bottom part. Seamless tape, PVC, PLA, ABS plastic sheet and acrylic plate can be used for the bottom.