The LiveOrals PureDia Teeth Whitening Kit includes a gel and mouthpiece set with hydrogen peroxide as the active ingredient. Manufactured by BIOSTECH CO., LTD., this product is designed for whitening teeth effectively. The compact size of 2.95 x 2.01 x 5.75 inches and lightweight design of 2.89 ounces make it convenient for use at home or on the go. This kit provides everything needed for achieving a brighter and more confident smile.