Model Number: GH-T1400 Brand Name: GREAT Key Specifications/Special Features: Description:100% brand new & high qualityMaterial: 100% food grade silicone bubblerItem size: 5.5 * 2.0cmColor: clear colorDesigned for mom to help baby clear teeth and gumsUsage:1) Clean it with water before use, followed by sterilization in boiling water for 3-5 minutes.2) After use, wash it with warm water and keep it at a dark, cool and dry place.3) Do not let the babies play with it as toys.