The Rasa Glass Probing Wand has for elevated spinal ridges for amplified stimulation. In the mood for a smoother feel? Simply use the other side of the wand. Made from the finest polished glass, Rasa is stunningly luxurious and designed to penetrate. Turn the heat up with your body temperature or warm water, cool it down with a little ice. Measurements: 8.13 inch overall length, 1.41 inch max insertable diameter, Material: Borosilicate Glass, Color: Clear with Dark Blue accent, Note: Item is handcrafted, so sizing may vary slightly