The glass dildo, for exciting warm and cold effects. Who does not know better, thinks that its glass of art on your nightstand. The big advantage of a glass dildo is that you can cool or heat it, to create an extra titillating effect. Keep it under cold or hot water and the glass takes the temperature of the water. The penetration with a hot or cold dildo gives a very different feeling than with a dildo at body temperature. They are handmade and almost indestructible and last a lifetime.