Flexible silicone so that the ice cubes can be easily removed. PVC and phthalate free. Simply place breast milk, yoghurt or porridge in the compartments, cover the mould with the lid and place in the freezer. Twist the mold slightly to remove the ice cubes. Clean before and after each use. It is recommended to clean by hand with hot water and soap and then rinse well. Do not use aggressive bleaching agents or sterilizing tablets. Sterilize Haakaa silicone products in a steam sterilizer or by boiling them in hot water for 2-3 minutes. Also, do not use UV sterilizers as they shorten the life of the products. Check regularly that the product is still completely intact and replace it if it shows any signs of damage. Do not store the item near sharp objects. Use only soft sponges or soft bristle brushes for cleaning. If the item comes into contact with dishwashing detergent, the material may turn white. This is not a toy. Use only for its intended purpose and under adult supervision. Store in a cool, dry place and avoid direct sunlight. Please follow the guidelines of the health organisations regarding the safe collection and storage of breast milk. For Switzerland, for example, La Leche League Switzerland.