Hegen Teats are designed to encourage seamless transition from breast to bottle feeding, minimizing nipple confusion for your baby. Our velvety soft elliptical shaped teat closely mimics a mother's lactating breast while the off-centre teat design promotes upright feeding; similar to a position in which babies are nursed to reduce the risk of milk back-flow and the resulting mid-ear complication and colic. The built-in anti-colic air vent reduces unwanted air intake and prevents bubbling of milk, saving precious nutrients from oxidation.Flow Rates:Extra Slow - 0m+Slow Flow – 1m+Med Flow – 3m+Fast Flow – 6m+Thick Feed – 6m+*Hegen Teats are marked with "1/2/3/Y" embossing to indicate slow flow/medium flow/fast flow/thick feed respectively.Product includes: 2 x Hegen Teat (of selected flow)Additional teats of various sizes allow mothers to simply swap to their choice of teats (slow/medium/fast/thick feed) for baby’s perfect feed as time goes by. Simply assemble the teat into the collar and instantly becomes a feeding lid for baby. Thick feed: Hegen thick feed teats allow for an extra fast flow and is suitable for semi-solids, thicker feed (e.g. milk with added cereal or rice powder). Hegen's teats are designed to encourage seamless transition from breast to bottle feeding, minimizing nipple confusion for your baby. Our velvety soft elliptical shaped teat closely mimics a mother's lactating breast while the off-centre teat design promotes upright feeding; similar to a position in which babies are nursed to reduce the risk of milk back-flow and the resulting mid-ear complication and colic. The built-in anti-colic air vent reduces unwanted air intake and prevents bubbling of milk, saving precious nutrients from oxidation.Directions for Assembly: To remove transparent cover: With the Hegen logo on the Collar facing you, push the Transparent Cover backwards (away from you) to open.To assemble teat into collar: With the built-in anti-colic air vent facing you, place the Collar (with the Hegen logo facing you) over the Teat and pull Teat upwards through the Collar to fit snugly. (*Air vent in Teat must match with Hegen logo on Collar)Features: Off-centre teat promotes upright feeding which reduces the risk of milk back-flow that causes mid-ear complications.Elliptical-shaped silicone teat closely mimics a mother's breast to simulate a real latching experience, making combining breast and bottle feeding possible.Built-in anti-colic air vent reduces unwanted air intake.Prevents bubbling of milk and saves precious nutrients from oxidation. Safe in sterilizers, warmers, dishwashers, microwaves, boiling water and freezers.FAQWhich warmers do the Hegen bottles fit into?Hegen bottles fit into most wideneck warmers of most leading brands. To be safe, simply measure the diameter of the relevant brands’ bottle for comparison. As a gauge, Hegen bottles measure 7cm in diameter.I’ve never seen a square bottle before. Will it be hard for my baby to hold?Hegen bottles are a ‘softsquare’ shape made out of 4 tiny circle corners. It is ergonomically designed to be easier for babies to hold.Can I sterilise the Hegen bottles? Which sterilisers can I use?Yes. Hegen bottles can undergo steam, microwave and UV sterilisation. To be safe, we recommend waiting at least 15 minutes between sterilisation cycles. As our PPSU bottles are able to withstand -20'C up to 180'C in temperature; please do remember to check that your steriliser does not exceed the aforementioned temperature range.Can you explain the Hegen PPSU range?The Hegen Polyphenylsulfone (PPSU) range is made of FDA compliant foodcontact grade and NSF certified medical grade material. PPSU is widely used in the manufacturing of medical appliances due to its superior toughness and high-temperature resistance. It combines the advantages of both glass and plastic materials; BPAfree and lightweight. PPSU is naturally ambercoloured and contains no artificial pigments. Hegen PPSU is free of BPA, BPS, Phthalates and PVC.My baby loves the Hegen bottle. How long can I use it for?We are so happy to hear this! International standards recommend teats to be replaced every 3 months and bottles every 6 months. Hegen bottles are designed to last and can be continually evolved to meet the different needs of the growing child. You can continue to use our bottles and convert it to snack cups as your baby grows. To be safe, we recommend replacing the teats every 3 months or if there are any signs of wear and tear. Likewise, should there be any scratches or wear and tear observed on the bottles, we also recommend to have them replaced.Do I need a bottle brush to clean my Hegen bottle?Hegen bottles have an extremely wide mouth and minimal parts. Furthermore, as our bottle has absolutely no ridges, undercuts or hidden corners, y