Its wide neck makes it easier for parents to prepare a feed and clean it, as well as making it more stable. The ergonomic shape of the bottle makes it safer and easier to grip. It comes with an anatomical teat that mimics the shape of the mother's nipple during suction and anti-colic valves to prevent the discomfort caused by hiccups and wind. Teat approved by the Spanish Society of Paediatric Dentistry.Available in two sizes: Size 1, designed for babies aged 0 to 6 months, Size 2, designed for babies over 6 months. Different flow rates are also available: Low flow (S), for the first few days; Medium flow (M), for milk, juice and very fluid baby food; High flow (L), for baby food and other thick foods.