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 x 2.1 x 2.5. Product Material: Silicone.