Tommee Tippee Natural Start PP Bottle Newborn Boy Set Rustan's Tommee Tippee Natural Start Feeding Bottle 150ml 2 Pack Tommee Tippee Natural Start Baby Bottles Kmart NZ Tommee Tippee Natural Start PPSU Bottle Slow Flow (150ml) Medium Flow Tommee Tippee Natural Start PPSU 5oz 150ml Snail Design Bottle Single. " Anti Colic Valve: The anti colic valve in the nipple helps to reduce symptoms of colic by preventing excessive air from getting into your babys milk Natural Latch: Our bottle nipples have a breast like shape that encourages a natural latch and prevents nipple confusion when switching between breast, bottle and back again* Natural Pace: The soft silicone nipple flexes and stretches like mom and allows your baby to feed comfortably at their own pace Suitable from newborn "