Describe Colors:yelloe/green/blue/purple Size:5*5*1cm*4 Yellow width: 4mm Grain size: fine interval: 20um Length: 6m Green width: 4mm Grain size: medium interval: 30um Length: 6m Blue width: 4mm Grain size: medium interval: 30um Length: 6m Purple width: 4mm Grain size: rough interval: 50um Length: 6m Weight:10g/10g/10g/10g/40g Product functions and features include: 1.Efficient plaque removal: The dental roll polishing strip has a good polishing effect and can effectively remove plaque and stains on the tooth, making the teeth cleaner and smoother. 2.Gentle and harmless to tooth enamel: The the polishing strip is usually covered with a layer of special polishing particles, which can gently remove dirt on the tooth without damaging tooth enamel. 3.Convenient to carry and use: The dental roll polishing strip is small in size and easy to carry. It can be used for cleaning and polishing teeth anytime and anywhere to keep the oral cavity clean. 4.Improve the teeth effect: The polishing strip can remove pigments and stains, helping to improve the teeth effect and make the teeth look whiter and brighter. 5.Prevent dental caries and bad breath: Regular use of polishing strips can effectively remove and residual food in the mouth, prevent dental caries and bad breath problems, and keep breath fresh. Instructions: Tear open the package and remove a dental roll polishing strip.Hold the polishing strip gently in your hand and do not use too much force to avoid over-polishing.Gently wrap the polishing strip between two fingers and place it on the tooth to be polished.Slowly wipe the polishing strip back and forth to allow the polishing particles to rub the tooth evenly. Be careful not to use excessive force to avoid damaging the tooth enamel.After polishing, rinse your mouth with water to clean it, and then brush your teeth to keep your mouth clean and hygienic.