Firefly Ace I Plug Blue from NS Novelties. Find your Ace in the hole with Firefly! Fun and playful, these glow in the dark pleasure plugs are made of firm, body safe silicone for easy and comfortable penetration. A curved base provides butt rocking fun and secure wearing. Three alluring designs in all, available in glowing pink, purple, and blue! Each sold separately. Suitable with all lubricants. Color Blue. Product dimensions 4.1 inches 3.3 inches by 1.1 inches. Product material Silicone.