Glas Titus Beaded Glass Butt Plug. Nothing is as smooth and clear as glass. This fun, clear glass beaded butt plug is perfect for rectal dilation, solo masturbation and couples play. FEATURES: Fracture-resistant, Hypoallergenic, Easy to clean, Retains heat and cold for increased stimulation, Compatible with all lubricants. Dimensions: 4.5″ x 2″ – 2.75″ Insertable