These tiny vibes are easy to use and packed with power Experience a delightful humming sensation anywhere on your body when you push the simple on and off button. Use these Micro Bullets to replace the vibe in your Frisky Ripples Finger Bang-her Vibe to keep the fun going for much more than just one use Experience the erotic buzzing against nipples, clit, balls, or anywhere else your naughty imagination leads you Measurements: 1.5 inches in length, .5 inches wide. Material: ABS, Silicone. Color: Black. Note: Each one time use bullet requires 2 LR41 batteries, included.