Features: brand new and high quality Safe silicone material: These molds are made of high-quality silicone and are non-toxic. Smooth interior: The interior of these molds is smooth, so the resin material is smooth and flat without uneven flaws. Heating: These molds are heatable and can be used in ovens, refrigerators, microwaves, etc. Non-stick: non-stick, easy to separate and clean, recyclable. Wide application: This silicone mold is suitable for making letter decoration silicone mold, pendants and decorations.