Drip proof cap. Thermal shock and heat resistant. Unique satin-textured soft silicone angled teat. Ergonomic bottle with wide mouth that’s easy to fill and clean and comfortable to hold. 96% rate of acceptance by babies. Ideal for growing babies. Easiest transition between breast and bottle. Clinically designed and tested in the Chicco Observatory by paediatricians and doctors. Medium flow teat – double anti-colic valve.