From Itzy Ritzy, this cooler features: Soothing water-filled teethers help your little one keep their cool while teething with these adorable teethers Our 3-pack of water-filled teethers is textured on both sides to help soothe sore gums, and they can be chilled in the refrigerator for extra relief Their open shape is easy for a baby to hold, and their trendy designs make them even easier on the eyes Age: 3m+ Materials: 100% EVA filled with sterile water Dimensions: 5.75” L x 7.625” W packaged size Weight: 0.25 lbs. BPA and phthalate free Filled with sterilized water 3-pack of water-filled teethers Refrigerate teethers for added relief while teething Clean before use with a damp cloth and mild soap, then air dry. Not dishwasher safe. Do not boil or microwave. Cool only in the refrigerator; do not place in the freezer Imported.