5 oz / 150 ml wideneck glass baby bottle with soft silicone nipple, designed for newborns and premature infants and for everyday feeding. Key benefits Clear, durable materials: Bottle made from borosilicate glass for clarity and thermal stability. Nipple made from foodgrade silicone that is BPA and BPS and designed to withstand sterilizer cycles and boiling water. Reduced air intake: Builtin air vent in the nipple is designed to minimize air ingestion during feeding, which may lead to less spit up, more comfortable feeds, and fewer messes. Comfortable, natural feeding: Soft, slowflow nipple offers a natural response and is easy for infants to latch, suitable from 0+ months including premature and newborn infants. Easy to handle and maintain: Ergonomically streamlined, wideneck design makes the bottle simple to hold, quick to assemble, and easy to clean. Function and performance Capacity: 5 ounces / 150 ml. Nipple characteristics: Slow flow for gentler feeding and paced intake. Temperature resistance: Silicone nipple and borosilicate glass bottle are compatible with standard sterilizer use and boiling water for routine sterilization. Practical uses Nighttime and calm feeds: Slowflow nipple and reduced air intake help create a steady, comfortable feeding rhythm for newborns during nighttime or quiet feeding sessions. Breastfeeding transition: Soft, naturalresponse nipple supports easier latch when alternating between breast and bottle. Daycare and travel: Wideneck design simplifies cleaning and reassembly after sterilizing at daycare or when preparing bottles while traveling. Who this is for Caregivers seeking a glass bottle option with a soft, slowflow silicone nipple for infants 0 months and up, including premature and newborn infants who need gentle, controlled feeding. Design notes Wideneck, streamlined shape for easy handling, assembly, and cleaning. Materials and construction focus on feeding comfort, straightforward maintenance, and reliable everyday performance.