Features:1. Solve your teeth problems, create healthy teeth, make your teeth bright and shiny.2. Clean the teeth and remove teeth stains resulted from smoking and drinking tea or coffee in a more effective way, whiten the yellow teeth.3. Say goodbye to bad breath, yellow teeth,tartar, and stains etc. Get the confidence you deserve!Specification:Capacity: 30mlWeight: 50gPacking Method: BoxedPackage Includes: 1/2/3pcs x 30ml Calculusfree Dissolving Dental SprayHow to Use:1. Before use, please clean the mouth with warm water.2. Spray the teeth with the Calculus, and hold in the mouth for 2 - 5 mins.3. Rinse with warm water until the plaque is wired clean.