100% pure glass baby bottle featuring our award-winning breast-like nipple, with adaptable design Natural Feel: smooth silicone anti-colic nipple flexes like mom for an easy latch and seamless breast to bottle transition, acceptance guaranteed* Baby-safe: medical-grade borosilicate glass is free of BPA, BPS, phthalates and toxins Grows with baby: Convertible design for use as a baby bottle, food jar, or open cup Durable: Thermal shock-resistant glass for long-lasting and continual use Clean: Superior stain-resistance with no odors or white film Shaped like a breast, feels like a breast, because babies prefer it that way Tommee Tippee baby bottles are inspired by what babies love most-mom. We know you love baby most, so we've combined our breast-like nipple and contoured bottle design with premium 100% medical-grade glass for the best in feeding for your little one. The 3 in 1 design ensures continued use through the precious stages of baby's life, from baby bottle to food jar and open cup. Helping you Parent On *92% of more than 1200 parents who used our bottle nipple with their baby recalled that they accepted it within the first 3 attempts