Blown Collection of artist designed and hand crafted borosilicate glass toys are non-porous, easy to clean, compatible with all lubricants and can be heated or chilled as desired. Double Ended Dong with Twist Clear is made using phthalate free, non-toxic materials glass. Double dong comes with AC/DC ends. One end is phallic and penis shaped and the other end comes with tickler, twist. Not harness compatible. Each glass sex toy comes packaged in a sturdy and stylish box that can be displayed on a shelf or hung from its reinforced hang tab. Beautiful form and thoughtful functionality combine to create a uniquely elegant adult product. Non-vibrating anal sex toys. Always clean before and after use plus between partners. Blown is a registered trademark for Spartacus Leather.