High Quality, medical grade Pyrex glass. 100% safe, hypoallergenic and often recommended by doctors to curb cross contamination associated with traditional materials. All Phallix glass dildos are tempered for high durability & when properly cared for will last a lifetime. Colors won't fade or bleed & they're dishwasher safe.
There are a number of other glass dildos appearing on the market of dubious origin. There is a potential safety issue if they are not manufactured to exacting standards with the right quality material as exemplified by Phallix Inc. and distributed for Europe by Phallix Europe.