Clean before each use to ensure hygiene. Do not allow children to play with small parts or walk/run while using bottles or cups. Do not place the product in a heated oven or microwave. Do not use aggressive cleaning agents. Do not place parts on surfaces cleaned with antibacterial cleaners. Inspect before each use and pull the feeding teat in all directions. Throw away at the first signs of damage or weakness. We recommend replacing feeding teats every 3 months. Keep feeding teats in a dry, covered container. Do not leave a feeding teat in direct sunlight or heat, or leave in disinfectant (sterilizing solution) for longer than recommended, as this may weaken the teat. I