Anti-colic feeding bottle with our patented anti-colic base provides vacuum-free feeding and prevents bubbles ensuring babies do not get air in their tummy while feeding. extra soft teat easy latch-on anti-colic base easy to fill & clean How to use: Before first use, disassemble all parts, clean and sterilize the product.  Always check the food temperature before feeding. Don't place in a heated oven.  Drinks other thank milk and water, such as fruit juices and flavored sugary drinks are not recommended. If they are used, they should be well diluted and only used for limited periods, not constantly sipped.  Caution & Warnings: Always use this product with adult supervision.  Never use feeding teats as a soother. Continuous and prolonged sucking of fluids will cause tooth decay. For hygiene reasons, we recommend replacing teats after 3 months.  Do not use abrasive cleaning agents or antibacterial cleaners.  Inspect before each use and pull the feeding teat in all directions. Throw away at first sign of damage.  Ingredients: BPA Free.