Soft premium DuPont Tynex bristles. Effectively cleans, gentle on tender gums. The bathroom battle is over! Children love brushing with B-BRITE toothbrushes because they're fun - parents love them because they get their kids to brush. They promote good oral hygiene by encouraging children to brush regularly, and for the correct time. Flashes for 2 minutes, as recommended by dentists. The handle was designed to fit little hands. Push the button to activate the toothbrush, it will automatically turn off after 2 minutes. Batteries are included, these are non replaceable. Batteries will last for the life-time of a toothbrush, approx. 3 months. All B-Brite toothbrushes come with soft, premium DuPont bristles. Easy-to-hold handle for little hands. Small brush head for tiny mouths./br/brBatteries are included and last the lifetime of the bristles - approx. 3 months - brushing twice a day. Soft Premium Bristles by Tynex from DuPont. Kids love them because they are fun - - - Parents love them because they encourage their children to brush. 2 Minute Timer helps children to brush for the time recommended by dentists. Kids flashing and light up Toothbrush Promotes good brushing habits./br/brGTIN: 643540756282. Best Sellers Rank: See Top 100 in Health & Household. : B013QWY7OI. Manufacturer: B-Brite. UPC: 643540756282. Batteries: 2 LR44 batteries required. (included). Item model number: FF86W2. Product Dimensions: 3.35 x 2.36 x 9.45 inches 2.08 Ounces.