2Pack Nipples & Shield Slow Flow Anti-colic Air Vent

Features:
Made of 100% safe hygienic silicone and food grade PP material, BPA free.
2 nipples included, which fit most standard and wide neck feeding bottle.
Dual anti-colic vents prevent unwanted air-intake and reduce colic.
Nipple shield can used to storage nipples and other small items, also can be a cover on most wide neck bottle.
Nipple is deisgned to most closely mimic breastfeeding to reduce bottle rejection and nipple confusion issues.
Different flow in different color:
Pink nipples in slow flow for 0-3 Month baby
Green nipples in medium flow for 3-6 Month baby
Blue nipples in big flow for 12 Months and older
Purple nipples in variable for all aged baby