PREMIUM BOROSILICATE GLASS without of BPA BPS Phthalate and toxins making it a peaceofmind option for parents GREAT FOR NURSING MOMS Ultrasoft nipple mimics natural feel flex and movement of breastfeeding helps breastfed baby naturally latch on anticolic vents allow your baby to drink continuously without gasping for air or drinking bubbles TWO FLOW RATES 3oz80ml baby bottle with very slow flow nipple for babies 0m 5oz160ml baby bottle with slow flow nipple for babies 1m Perfect for feeding your little one as they grow EASY TO CLEAN These wide neck baby bottles only have 4 pieces and can easily be cleaned and reassembled as often as needed MORE CHOICE Gulicola provides 3oz5oz7oz9oz capacities baby bottles to meet the needs of babies of all stages and the twocolor combination set can be used in different scenes at different times