The platinum silicone ice bucket 4x4 cm (12 cubes) from Lurch is an ideal utensil for making ice in the freezer. Made of platinum silicone, it is very flexible and comfortable to use, a toxic-free material. Platinum silicone is a non-stick material that allows you to remove the cubes quickly. This mold for the freezer is very practical, due to the flexibility of the platinum silicone even when cold and the ease of extracting the cubes once frozen. Lurch's platinum silicone is certified non-toxic even in its colorants, and also certifies that the material used is free of BPA, phthalates, heavy metals, peroxides, aromatic amines. It is a material resistant to extreme temperatures, withstanding from -40ºC to 240ºC. Safe stuff. You have two sizes available, the ice bucket to make 15 3x3 cm cubes or the ice bucket to make 12 4x4 cm cubes. Lurch, practical, functional and high quality utensils. Toxic-free materials for a creative kitchen. It is recommended to fill with water and put in the freezer. Store in a cool, dry place