Key Features :
i : Made of FDA approved, non-toxic, food grade siliconeii : Soft and gentle on teeth: Helps to prevent the harmful chewing of pen caps, jewelry, clothing, finger nails and moreiii : Encourages oral stimulation, promotes attention and reduces fidgetingiv : Easy to clean with soap and water and dishwasher safev : 3 inches: Perfect compact size that easily slips on and off of writing instrumentsvi : Pack of 6