LET'S RESIN Silicone Putty, 1LB/454g Silicone Mould Making Kit, Strong & Flexible, Easy 1:1 Mixing Ratio for Reusable Silicone Moulds, Casting, Resin, Soap & Candle MakingSimple Mould Making Kit Simply mix equal parts A (blue) and B (white) by hand. Place on the surface of any item and make your favorite molds for resin, soap, wax, clay, and more with this amazing silicone putty Great for Beginners 3 minutes working time, 15 20 minutes demolding time, the silicone mold making kit doesn't require any equipment, cups, or stir sticks, it allows you to make special molds easily. Great for beginners and professionals