• Teethers made with 100% food-grade silicone, with no fillers or chemical odors • Free of BPA, PVC, phthalates, cadmium, lead, and other heavy metals • Meet or exceed U.S. and European safety standards • Resistant to high and low temperatures, can be boiled, steamed, or refrigerated • Unique design inspired by everyday tools to stimulate curiosity and motor skills • Plugs and sockets that can be connected and disconnected, exercising the baby's gripping ability • Improve chewing ability and exercise the muscles for opening and closing the jaw • Soft particles that massage the gums and relieve pain • Calming effect that can help babies sleep • Easy to clean, dishwasher safe and suitable for high-temperature sterilization • Suitable for babies from 6 to 12 months