NAUGHTY KIDZ Premium Sipper for Baby is made from non-toxic, BPA free, and polypropylene plastic. The spout is made from BPA free, durable silicone material and is bite resistant. This sipper has a handle on either side for the baby to hold easily while drinking. It makes the transition from breast or bottles to sipper cups easier for the baby. It also comes with a set of three key-shaped teethers made from food-grade materials.