From Itzy Ritzy, these coolers feature: Soothing water filled teethers Help your little one keep their cool while teething with these adorable teethers Our 3-pack of water-filled teethers are 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 baby to hold and their trendy cacti 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 Imported.