The NUK Extra Cool Teether is designed for babies 3 months and older, featuring a unique butterfly shape with cooling properties. This teether incorporates 6 different textures to stimulate baby's senses while providing soothing relief for teething discomfort. Key features: • Stays cold longer for extended cooling relief • 6 different textures for sensory stimulation • Easy-to-grasp butterfly design • Varying massage effect for gums • Suitable for babies 3+ months • Made of safe, durable materials The teether features a special cooling technology that helps it maintain its cold temperature longer than conventional teethers. Its ergonomic butterfly shape is specifically designed to be easy for small hands to hold and maneuver. The multiple textures provide different massaging sensations to help soothe sore gums during teething. Made with safe materials, this teether combines functionality with engaging design to help make the teething process more comfortable for babies.