A022 7" Silver Slimline Vibrator 12.50 Silver Slimline Vibrator: A 7" chrome-plated vibrator, about 1.25" in diameter. Shiny and fun. Shiny and fun. Takes 2 C-size batteries. (2 batteries are included in the package, but they're cheap, generic ones. We don't guarantee their freshness, and they may leak if left in the vibrator. We recommend using better batteries for long-term use.)