Feature:Molds are made of Food-grade Epoxy SiliconeNon-stick,easy to separate, clean, ,low carbon, can be recycledSimple and useful, Healthfulness,natural antibackerial,High strength softness,corrosion resistant and Adaptability Not easy to damage,No crack,Resistance to extreme temperature,-40 Degree C——230 Degree C,(-40 Degree F——446 Degree F)safety,Non-toxic, No smell , Heated evenlyMethod of use:1. Need tools: liquid crystal, crystal powder, pens, carved mold 'Crystal Cup;2. Use the tip covered with sticky liquid crystal take crystal powder, crystal powder in written form to make a ball;3. Make crystal powder covered with carve patterns or designs on woodwork mould design;4. A hardening them, wait for half a minute;5. Bending modulus of carve patterns or designs on woodwork, pen or tweezers to remove;6. Use tweezers or pen to nail surface.Warm Tips:Not all the nail polish is suitable for stamping,please choose the right nail polish.Material:SiliconeColor:Clear WhiteType:A/B/C(Optional)SizeMold Size 4.2x2cm/1.7x0.8More detailed,please see photo,Note:Transition: 1cm10mm0.39inchPlease allow 0-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package includes:36Pcs x Molds.