For ages 0+3.25 x 2.5 x .4MATERIALS:Medical Grade Platinum Silicone, Non-Toxic ColorantCLEANING INSTRUCTIONS:There are many ways to wash and care for the Honest Baby Teether. It can be placed in the dishwasher (which will clean and disinfect), or you can hand wash with Honest Dish Soap and warm water. Let air dry or dry with a lint free towel.For quick & easy sterilizing, place the teether in boiling water for about 5 minutes. Be sure to use long tongs to place and remove the teether from the water - it will be hot! Let cool after boiling, then it's good to go for another round of teething, chewing joy.Designed in California.Responsibly made in China.We guarantee your satisfaction.