Come and see our amazing products. The heart silicone molds and chocolate molds are both made of premium food-grade silicone, no coating, no BPA, healthy and sturdy, with good flexibility and softness. It is completely safe to use in a refrigerator, oven, or microwave between -40 degrees and 446 degrees. This heart silicone mold not only can used in oven, but also refrigerators, dishwashers and microwave ovens. You can use this with your family and friends to make your own special desserts, resin, chocolate ice and so on. The price includes the shipping cost to ca, Rush Service is available. QTY over 3000pcs by ocean. Pls confirm with us about the packing info, stock color and exact production time before placing your order.