Ultra hygienic CyberGlass Cool Ice Mini Dong, Blue, 4" tall has a smooth, tapered shaft that can withstand reasonable drops and bangs and can conducts and maintains different temperatures without chipping or cracking. Has a concave, harness compatible base.  The Cool Ice Mini Dong becomes slick when lubricated which makes glass a favorite -- there is no fricton at all.  And glass is easily cleaned by either boiling or being washed in the top rack of the dishwasher. Waterproof and phthalate free.

 

Dimensions: 4 inches long x 1 inch at widest point