Natural Glass Baby Bottles Set 4 Pack, Newborn Girl Breastfeeding Bottles, Pink Over the past decade, we have been focusing on research on baby feeding and adopting high quality standards from raw materials to production and ultimately to finished products. The reason why we have been continuously doing this is to allow more babies to experience excellent products and make more mothers feel at ease. Newborn Essentials Gift set: include 2 pack of 3 oz bottles with Extra slow flow nipples; 2 pack of 5 oz bottles with Slow flow nipples, 2 counts of storage caps; Premium Borosilicate Glass: without BPA, BPS, Phthalate and toxins, Heat-resistant, making it a peace-of-mind option for parents; New Design Nipple: points on the nipple guiding for appropriate latch, train babies with correct suction habits in breastfeeding; Great for Nursing Moms: ultra-soft nipple mimics natural feel, flex and movement of breastfeeding, helps breastfed baby naturally latch on, anti-colic vents allow your baby to drink continuously without gasping for air or drinking bubbles; Easy to Clean: wide neck with only have 4 pieces and can easily be cleaned and reassembled as often as needed, Sterilized in bottle warmer, microwave, sterilizer and boiling water.