Beautifully pink shaped anal plug with a diamond shape, for exciting hot and cold effects Beautiful designs by Kiotos Glass sextoys of almost unbreakable glass. If you don't know any better, you will think you have a glass work of art on your bedside table.The great advantage of a glass butt plug is that you can cool or heat it, to create an extra sensual effect. Hold it under a cold or hot tap and the glass will take the temperature of the water. Penetration with a hot or cold plug gives a completely different feeling than with a plug at body temperature. Types and sizes This glass plug has a lovely smooth shape with a beautiful diamond and will last a lifetime, is easy to keep clean and is poison-free. Often these dildos are handmade.