Doc Johnson presents the world’s first premium vibrating glass. Designed by true artisans in vibrant jewel-like pallets, the 6 inches long by 1 inch wide. Reflections Hope Glass Vibrator is waterproof for play outside the bedroom. Body safe for pleasure made using phthalate free, completely hygienic materials. ABS plastic vibrator, glass sleeve. Easy to clean. And because they are glass, they transfer an incredible vibration, at any of their three varying speeds. Warm them up or cool them down with hot or cold water to experience an additional boost of euphoria. Glass vibrator sleeve comes with small pleasure bumps up and down the shaft for extra stimulation. Phallic shaped end helps with insertion. Glass vibrator requires 2 AA batteries, not included. Circumference of sex toy is 4.08 inches. Dimensions 6.00 inches long by 1.30 inches wide and 1.50 inches deep. Vibrator can safely be inserted 4.70 inches. Reflections Hope Vibrating Glass Pink from Doc Johnson Novelties.