Start creating a better future for the next generation with this naturally sustainable and long-lasting glass baby bottle. Made from durable medical grade glass that is naturally stain resistant and free from BPA, phthalates, and toxins.All Closer to Nature bottle teats feature an anti-colic valve to prevent the symptoms of colic by ensuring your little one ingests more milk and less air. Together with the bottle's sensitive valve, the wide bottle neck encourages your baby's intuitive feeding action. Designed to be held in the most natural position during feeding, the compact shape of the bottle also allows the baby to be closer to you. The wide-neck bottle makes cleaning easy, and the bottles are suitable for use in the dishwasher, microwave, and steam sterilizers.Features:100% recyclable, baby-safe glass bottle base. Durable medica glass, that is naturally stain-resistant and free from BPA, phthalates, and toxinsOur soft silicone, breast-like teat feels closer to the skin and flexes like mum for a comfortable feed and supports in the transition from breastfeeding to bottle feedingSensitive Closer to Nature teat with an anti-colic valve reduces excessive air flow, so little ones ingest more milk and less air, preventing symptoms of colic95% of mums say baby accepted our teat - the most easily accepted and breast-like teat, ever, to encourage a natural latch