Features: Stacked Silicone Mold: Bottom tray mould: The finished product can be assembled and disassembled as will, you can easily customize a suitable height box for your jewelry. High Quality Material: These silicone molds for resin casting are made of high quality silicone, with excellent high tear strength and smooth inner surface, not easily deformed, can serve you for a long for time. Various Compatibility: Our square holder silicone molds are for epoxy resin, uv resin, polymer clay, concrete, cement etc. You can use various casting materials to make your DIY crafts. Easy Unmold: The pen holder molds can be very easy to de-mold after the casting material is completely cured. You only need to flip the edge of the mold and gently push the bottom of it, and then the finished tray and frame can intact come out easily. Widely Used Occasions: These epoxy resin mold can be used to make flower arrangement vase, planter pot, makeup brush/pen/pencil holder, tea light/candle holder, container box for jewelry, trinkets, rings, coins, keys, paper clips etc. Specifications: Material: Silicone 1:Approx.11x11cm/4.33x4.33inch 2:Approx.14.1x5.1cm/5.55x2.0inch Package Includes: 2 Pieces/set Silicone Molds note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.