The Twistshake Anti Colic Bottle Steel Pink is a bottle designed to reduce colic in babies. It has a capacity of 330ml and is made of high quality stainless steel. This bottle is ideal for feeding babies safely and comfortably, as its ergonomic design makes it easy to grip. In addition, it has a ventilation system that prevents air intake during feeding, thus reducing colic and discomfort for the baby. It is a durable and easy to clean product, perfect for everyday use.