"nei nei "   Patent's wide mouth's cross hole nipple (2 enter) original cost: $43
One. Patent innovate prevent vapor designer-  suck nipple time at baby. Patent" pair of ventilate hole "plus new generation "convect ring administer " two unify designers. Effective make air convection. Regulate milk's rate of flow. Let baby suck milk not aspirate! 

2. annular's concave-convex go tongue-coating designer-  suck nipple time at baby. Annular's concave-convex go tongue-coating design can effective wipe off milky white tongue dirt. Keep baby's oral hygiene. 

3. imitate breast type head pacificate granule designer-  feeder's family's nipple depend on adapt to baby mouth type size size quantity zhi. Imitate mother's papilla type designer. Head pacificate granule safe massage tongue. 
Taiwan zhi good article (safety food grade xi glue (SILICONE)

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