Turn out the lights and turn on to Firefly’s glow in the dark dildos. Realistically molded using superior grade silicone and featuring a strong suction cup, Firefly’s Silicone toy is available in assorted sizes and colors. Illuminate your playtime for an amazing experience. Safe to use with all lubricants. Product dimensions 6.7 inches by 2.1 inches. Product material Silicone.