The Twistshake anti-colic bottle counteracts infant colic with an air valve and a mixed net. BPA free. Soft round teat Wide neck Swedish design. With its thoughtful shape and design, the Twistshake baby bottle creates a pleasant feeding time for you and your baby. The baby bottle is equipped with the unique TwistFlow anti-colic system, which includes an air valve and a mixing net. It counteracts colic with an even flow that prevents unnecessary air from reaching your baby's sensitive stomach. The Twistshake baby bottle comes with a nice surprise: a practical container in which you can prepare the baby food when you travel with your baby. It also serves as a perfect container for your baby's snacks, such as vegetable sticks or fruit pieces, and is stackable for easy storage. The baby bottle is BPA free and is made of quality-assured PP plastic, so you can feel safe and secure with this product. Extra wide bottle neck - easy to clean and refill. Ergonomically designed - easy to grip for babies and parents. The Twistshake baby bottle has an extra wide neck, is easy to clean and refill and has a grippy, thick plastic design that keeps heat longer. The matching teat is made of 100% non-toxic silicone and has a round, soft shape that mimics the mother's breast.