Tommee Tippee's environmentally friendly glass baby bottles are great when you want to create a better future for your little ones as glass is the ideal material for eco-friendly parents who want a recyclable and sustainable material to feed their newborn.This newborn starter set includes a 150ml and 2 250ml glass tommee tippee bottles each with a slow flow 0 months+ teat. The sets also includes 2 medium flow 3months+ teats to move on to, as well as a 0-6month soother and a bottle teat brush. With Closer to Nature Bottles, switching between breast and bottle feeding becomes easier than ever before. It's glass bottles are naturally free of Bisphenol A (BPA), phthalates and toxins and are designed to promote easy feeding times for parents and baby. The unique easy latch on nipple shape was designed with breastfeeding experts to mimic the natural flex, stretch and movement of breastfeeding to allow easy transition between breast and bottle and allow easy latch on. Together with the bottle's super sensitive anti-colic valve, it eliminates excessive air flow, so little ones ingest more milk and less air, encouraging baby's intuitive feeding action for comfortable, relaxed feedings.