Clitoral Hummer Waterproof Vibrator. Contoured 6 inch multiple-speed waterproof stimulator has a unique clitoral scoop for the ultimate in stimulation. Vibrator is made using phthalate free, non-toxic materials: ABS plastic. 2 AA batteries, not included. Do not leave batteries in the vibrator between uses. A water based lubricant is recommended. Vibrator measures 6.5 inches long by 1 inch wide. Bulk weight 2.9 ounces. Clitoral Hummer is a registered trademark for California Exotic Novelties. Sex toys and sexual wellness. New images added May 9, 2013.