Booty Sparks Glow In The Dark Anal Plug Medium from XR Brands. Make your booty glow with this glow in the dark anal plug! Made with smooth and durable borosilicate glass to provide a hard and satisfying mass for your ass! These luminous butt plugs feature a swirling pattern of green to light up your back door during your nocturnal activities, perfect for adding a light hearted and kinky splash of light to your booty for your lover. The durable borosilicate material is naturally hypoallergenic, body safe, and is compatible with all varieties of lubricants so you can play with your favorite slippery stuff without compromise. These glowy Booty Sparks are also designed for easy temperature play. Warm them or chill them in a bowl of water to add another layer of pleasure to your back door! For an intense glow, all you need to do is charge the butt plug with a direct light source - 30 seconds with a flashlight, or 2 minutes of ambient light will set these plugs up for a night of booty bedazzlement. Measurements: overall length 3.5 inches, insertable length 2.9 inches, diameter at widest point 1.2 inches. Materials: Borosilicate Glass. Color: Clear, green when glowing in the dark.