Characteristics: One package contains four colors for different purposes: purple - shaping, blue - smoothing, green - pre-polishing, pink - polishing. Strips can be used to smooth and polish the interdental spaces of various dental filling materials. The sand-free area between the movements of the abrasive allows easy insertion into the interdental joints of the teeth. Abrasive belts are made of the highest quality fibrous material with elastic and tear-resistant properties. Great polishing effect, essential and ideal for finishing and gloss contouring on all interdental surfaces. Technical data: Material: fiber Color: purple, blue, green, pink Function: purple - shaping, blue - smoothing, green - pre-polishing, pink - polishing Quantity: 60 pcs / pack, 15 pcs for each color Single strap size: about 4 * 150mm / 0.2 * 5.9in Package List: 1 Packing * Dental Abrasive Strips (60pcs) Please be aware of: