This is made with Boro-Slicate Glass. High Temperature shock resistance special glass (best safety result). Best liability for use in hospitals (best hygiene result). Neutral in smell, so remains less milk smell after use Smooth surface, to avoid germs stock on it. Features: 1. Bottleneck has smooth inner surface making it easier to clean and will not retain milk and dust particles. 2. Made from top quality glass material which is non-toxic, boilable and dishwasher-safe. 3.High-quality, durable silicone nipple included.
