Sometimes the best things in life come in small packages.  Maxi-bullet is 2 3/4" long, 1" in diameter. Uses three large watch batteries (included), one speed.  Check out the mini-bullet.  Slightly smaller, but packs a punch!

Plastic Care and Cleaning: This vibrator is nonporous and can be washed with a mild soap and water. Be careful to keep the battery compartment closed and dry when washing.