Backed by over 60 years of research into baby's natural sucking behaviour, the new upgraded Pigeon SofTouch Nursing Bottles launched in 2022 come with research-based latch-on line for appropriate latching, and even softer nipple that is closest to mother's breast.Developed to functionally mimic the feeding movements that babies perform when drinking from mum's breasts, SofTouch Baby Bottles are crafted to especially support breastfeeding mums to feed their baby from both breast and bottle seamlessly. Anti-colic with advanced air vent system that minimises swallowed air as baby drinks.Have more peace of mind and enjoy the treasured moments with your little one! Features Wide Neck Bottle Made from PP (polypropylene) which is durable and lightweight 2 x 160ml or 240ml bottles SofTouch Peristaltic PLUS Nipple is 100% silicone, super soft and flexible to allow for natural and smooth tongue movement, allowing baby to use natural feeding motion learned at the breast. BPA and BPS Free Air Ventilation System (AVS) reduces intake of gas, a potential cause of colic. Specially designed roll-free bottle hoods. Size Guide 160ml twin pack - For 0+ months. 160ml comes with SS size nipple specially designed for newborn baby. The opening of the nipple is round-cut which allows milk to flow out consistently and gradually. Newborns have yet to develop any jaw muscles, thus the nipple is designed to support their sucking ability at this age. 240ml twin pack - For 3+ months. Comes with M size nipple that has a Y-cut opening on the nipple. The opening of the nipple is round-cut which allows milk to flow out consistently and gradually. Newborns have yet to develop any jaw muscles, thus the nipple is designed to support their sucking ability at this age. Additional sized teats can be purchased here.