From Itzy Ritzy, this cold teether features: Water filled handle teether The coolest companion for your teething tot Meet Itzy Cool, a handled cold teether with a removable, textured teether Soothes sore gums and keeps little hands from getting chilly Age: 3mos+  Materials: 42% Silicone + 12% EVA+ 46% Sterilized Pure Water Care: Clean before use with damp cloth and mild soap. Air dry. Not dishwasher safe. Do not boil or microwave. Filled with sterilized water. Cool only in refrigerator. Do not place in freezer compartment Imported.