This petite pleaser packs a real punch! The waterproof Power Buddies is made of TPR. The removable 2.5in x .75in bullet can be placed in the sleeve and with the push of the buttonand intense thrilling vibrations will course through the entire vibe. Requires four watch size batteriesand eight are included for your convenience. The sleeve has a soft teasing tongue for that ultimate thrill. A new buddy for the bath!