0m+. Closer to Nature the most breast-like nipple ever. With anti-colic valve. 97% of moms recommended closer to nature to other moms (In 2012 on-line survey of more than 500 moms who used Closer to Nature bottles, 97% agreed. 92% of more than 1200 parents who used our nipple with their child recalled that they accepted it within the first 3 attempts). Natural Latch. Flexes like mom. Easy clean. Love your baby. And yourself. Parent on. Closer to nature. Breast-like shape for a natural latch. Flexes like mom for a comfortable feed. Smooth silicone nipple feels closer to skin. Anti-colic valve to reduce air ingestion. 50 years expertise. It may be time for a faster flow rate if your little one: takes longer than 20 minutes to finish a bottle tugs or seems frustrated falls asleep mid-bottle. These bottles come with slow flow nipples. If baby can’t keep up, try extra slow flow instead. Shaped like a breast, feel like a breast, because babies prefer it that way. Tommee Tippee Closer to Nature bottles are only suitable for use with Tommee Tippee Closer to Nature nipples. Acceptance guaranteed. tommeetippee.com. Any questions? Visit our website: tommeetippee.com. Go with the flow. We offer Different flow rates to keep up with your growing baby. 0m+ extra slow; 3m+ med flow; 6m+ fast flow; 0m+ vari flow; 6m+ added cereal. Every baby is unique, so this is just a guide. BPA Free. Made in Morocco.