Applicable to various microwave oven and refrigerators. To pour water to the mold and place it to fridge, after it freeze. To push it out.Product Detials: silicone ice mould 1. 100% food grade silicone material manufacturing, no side effect to human body 2. non-stick, easy to remove foods 3. Not stain or discolor 4. Temperature range: -40 to 240 degree centigrade 5. Durable, no deformation, texture is soft, non-toxic, and tasteless. 6. Cools quickly 7. Unbreakable easy to keep its shape, convenient to cleaning,can be folded for storage 8. Hardness adjustable 9. Various colors and styles for your free choice. 10. Accept customer's model and design. Your design and logo are welcome ,we can design and make mould according to your sample or drawing.