Food grade standard neck baby bottle nipple 4.8gram Function and characteristic 1. Nipple is so soft and of stretched function. Baby can feel free to suck as breast feeding activity. 2. Not broken when sucking and baby can repeatedly and regularly use it. 3. The raised design of base as mom's breast can sufficiently promote baby's breast feeding activity. Name:food grade standard ncek baby bottle nipple Item no: nz-481 Material: silicone Color:transparent Safty:free of bpa, phthalates, pvc, non-toxic, lead-free Application:encourages babies to open the mouth and feel as breastfeeding Features: 1.Material: 100% non-toxic odorless silicone 2.The shape is according to breast, it feel soft and natural. 3.Automatic back to the hole, prevent choking 4.Temperature: high/low temperature resistant from -50c to 200câ  Advantage: (1)encourages babies to open the mouth and feel as breastfeeding (2)nipple make of 100% liquid silicone nipple rubber, more safe and clear (3)safety: free of bpa, phthalates and pvc, nontoxic, lead-free (4)food grade liquid silicone rubber material Sample time: within 7 days Delivery time: about 7- 25 work days Trade terms:fob/cif/cnf/exw Our service:from new mould develop to shipping, all the details will be done as client's need