,the resin clock mold is silicone, which is flexible, resistant to tearing, for multi-use, so you can handmade enough clock works. Strong practicality, if your resin clock works install with mechanism can used for daily.also can used for wall clock hangings in living room, bedroom, office and other home decorations. Easy to operate,the silicone clock molds has smooth inner, so it will very easy to demould after resin fully cured, you just need to wait after pouring resin, then slowly your works from the edges of the mold, great for resin lover or beginners. Wonderful ,the finished products can be a sweet warm for friend,family or yourself. Optional ,there are 3 styles optional ,you can follow your need or pair buy.