Philips Avent Natural Teat One Slot Variable Flow - 3 months+ is an extra soft silicone teat, ideals for babies above 3 month of age. It features an innovative petal design for natural latch on similar to the breast, making it easy for the baby to combine breast and bottle feeding. This teat has only one hole which is adjustable. | Uses: The product works to make feeding more comfortable for babies. | Product Specifications and Features: The nipples are made of soft silicone Durable, soft silicone is BPA free, odorless, flavorless Dishwasher safe and easy to sterilize It has adjustable slot Natural teat one slot variable, initiates natural latch on due to the wide breast shaped nipple Unique petals for a soft, flexible nipple without collapse Adjustable slot of the teat, accomodates thicker fluid Compatible with philips avent natural feeding bottle BPA free nipple | Directions For Use: Before first use: boil the bottle for 5 minutes. Before each use: closely inspect all items. Pull the nipple in all directions to check for wear and tear Use the tongs to keep the bottle and nipple as sterile as possible when assembling. The nipple is easier to assemble if you wriggle it upwards instead of pulling it up in a straight line Make sure you pull the nipple through until its lower rim is even with the screw ring Setting the teat, massage the valve to make sure it's open and ensure the anti-colic feature is working For optimum performance, pinch and massage the number on the nipple between index finger and thumb prior to a feed Checking the valve, place the cap vertically onto the bottle so that the nipple sits upright | Safety Information: Use only with philips classic+ feeding bottles Before each use, pull the nipple in all directions Never leave your infant unsupervised when feeding bottle We recommend replacing nipples after 3 months Store nipples in a dry, covered container Read the label carefully before use Keep out of the reach of children