A glass dildo, for exciting hot and cold effects Beautiful designs by Kiotos Glass dildos made 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 dildo 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. The penetration with a hot or cold dildo gives a completely different feeling than with a dildo at body temperature. Types and sizes This glass dildo has a lovely smooth shape with balls and will last a lifetime, is easy to keep clean and is poison-free. Often these dildos are handmade.