Firefly Pleasure Beads Blue from NS Novelties. From small to large, the excitement is endless. Firefly Glow in the Dark Beads are made for fun and adventure. Flexible and comfortable, these beads will satisfy the beginner and expert alike. Made of body safe Thermoplastic Elastomers TPE and suitable for all lubricants. Turn on the excitement, turn on the glow. Product dimensions 11.8 inches by 1.7 inches by 1 inch.