Natursutten Glass Baby Bottles 8 oz and 4 oz - Anti-Colic Baby Bottles for Breastfeeding Babies, Suitable for Boiling and Freezing - Bottles with Natural Rubber, Slow Flow Nipples for Newborn Babies

Anti-Colic Glass Baby Bottles 4 oz and 8 oz: Our newborn baby bottles feature an innovative double anti-colic valve, ensuring natural milk flow to prevent discomfort and reduce spit-up. Safe and Durable: Made from thermal shock-resistant borosilicate glass, these slow flow baby bottles are free from harmful chemicals, offering a safer option for your baby's feeding needs. Natural Feeding Experience: These anti-colic bottles provide a familiar feeding experience with natural rubber nipples that mimic breastfeeding, easing the transition from breast to bottle. Convenient and Versatile: From freezer to refrigerator to hot water, these 8 and 4 oz baby bottles simplify storage and preparation of breast milk. Dishwasher and microwave safe for added convenience. Complete Set for Hassle-Free Feeding On the Go: 2 breastfeeding bottles, natural rubber nipples, anti-colic double valves, threaded bottle rings, bottle seals for storage, and snug-fit caps for travel