Care and Maintenance: Before first use, disassemble and clean the product and then place the components in boiling water for 5 min. This is for hygiene purposes. Before each subsequent use wash carefully with hot water and washing up liquid, then rinse thoroughly to ensure hygiene. Inspect the feeding teat before each use and pull the feeding teat in all directions. Throw away at the first signs of damage or weakness. In any case, we recommend replacing teats at least once every two months. Wash all parts by hand with warm water and a regular washing-up liquid. Washing it in to wear quicker. Always rinse all parts thoroughly after each wash. Sterilise before use. After cleaning, thoroughly dry all parts and store in a clean, dry place away from direct sunlight and sources of heat. Before steam sterilising or sterilising in boiling water, the feeding bottle must be disassembled completely in order to prevent it from deforming and to ensure that boiling and sterilisation are effective. The product can be sterilised using cold sterilisation solutions, steam sterilised using suitable equipment or sterilised by boiling for 5 minutes, avoiding contact with the metal walls of the receptacle used. UV sterilisers are not recommended. To warm the contents of the bottle we recommend using a bottle warmer after removing the cap and referring to the bottle warmer instruction manual. Do not heat the product in traditional ovens or on hot plates or open flames. PERFECT 5 bottle is not suitable for use in the freezer.