Glas Titus Beaded Butt Plug. Nothing is a smooth and clear as glass. This fun, clear glass beaded butt plug is perfect for rectal dilation, solo masturbation and couples play. Fracture resistant and hypoallergenic, this toy can be easily cleaned. Retains heat and cold for increased stimulation. Compatible with all lubricants. 4.5 inches by 2 inches. Can safely be inserted 2.75 inches.