This Slim Sonic Traveler Bundle comes with two Slim Sonic Traveler kits. The Slim Sonic Traveler is a perfect travel companion. Each kit includes one Slim Sonic Toothbrush, two additional brush heads, one AAA battery, and a corresponding full zipper case. You can also fit your favorite travel sized toothpaste in the case when you're on the go. Simply press the button and 22,000 brush strokes per minute leave you with the most important accessory of all : a clean, white, and healthy smile. The Slim Sonic Toothbrush is a true sonic toothbrush preferred by dentists. The Slim Sonic Traveler makes brushing your teeth on the go extremely convenient. Brush heads are replaceable. Zipper case coordinates with your Slim Sonic Toothbrush.