Material: Made from durable medical-grade glass that is naturally stain-resistant and free from BPA, phthalates, and toxins, offering a safe and sustainable option for feeding your baby. Design: Inspired by mothers and designed by experts, these glass baby bottles feature a breast-like teat with an anti-colic valve to mimic the natural flex and movement of a mother's breast, providing a comfortable and intuitive feeding experience for babies. Acceptance: 95% of mothers reported that their babies accepted the soft silicone teat with a skin-like feel, making it easy to transition between breast and bottle feeding. Anti-Colic: The sensitive Closer to Nature teat features an anti-colic valve to reduce excessive air flow, minimizing the ingestion of air and preventing symptoms of colic in babies. Compatibility: Closer to Nature teats are compatible only with Closer to Nature bottles. Cleaning: Wide neck bottle design makes cleaning easy and convenient. Suitable for use in the dishwasher, microwave, and steam sterilizers. Flow Rates: Available in medium flow suitable for babies 3+ months old. Different flow rates are available to accommodate the growing needs of your baby. Replacement: It is recommended to replace bottle teats every two months or immediately if they are damaged or weakened. Key Features: Sustainability: Made from 100% recyclable, baby-safe glass, offering a naturally sustainable and long-lasting feeding solution. Breast-Like Teat: Soft silicone teat mimics the feel and movement of a mother's breast, encouraging a natural latch and comfortable feeding experience. Anti-Colic Valve: Sensitive teat design with an anti-colic valve reduces air intake, promoting smoother feeding and minimizing discomfort. Recommendation: Awarded as the most recommended baby bottle by 95% of mothers, ensuring confidence and satisfaction in feeding your baby. Note: Always ensure proper cleaning and maintenance of baby bottles and teats to maintain hygiene and safety standards.