Firefly Glow Stick Blue Vibrator from NS Novelties. Fireflys Glow Stick vibrator, featuring synchronized dual motors and draped in luxurious Thermoplastic Elastomers TPE, will light up the night with mischievous deep rumbles of pleasure. Waterproof, powered by 2 AA batteries, not included. Suitable for all lubricants, this 11 inches long vibrator delivers unexpected excitement and satisfaction. UPC 657447102073. Product dimensions 12.13 inches by 1.89 inches by 1.89 inches. Package dimensions 16.1 inches by 5.24 inches by 1.69 inches. Packaged weight 12.50 ounces. Product materials Thermoplastic Elastomers TPE shaft, ABS plastic base.