1、One pack includes four colors for different purposes: Purple‑‑Shaping, Blue‑‑Smoothing, Green‑‑Pre‑polishing, Pink‑‑Polishing. 2、The strips can be used for smoothing and polishing the interproximal areas of a variety of dental filling materials. 3、The sand‑free area between the abrasives trips enables easy insertion into interproximal joints of the teeth. 4、The abrasive strips are made of superior fiber material with flexible and tear‑resistant properties. 5、Great polishing effect, essential and ideal for finishing and gloss contouring of all interdental surfaces. Features: One pack includes four colors for different purposes: Purple--Shaping, Blue--Smoothing, Green--Pre-polishing, Pink--Polishing. The strips can be used for smoothing and polishing the interproximal areas of a variety of dental filling materials. The sand-free area between the abrasives trips enables easy insertion into interproximal joints of the teeth. The abrasive strips are made of superior fiber material with flexible and tear-resistant properties. Great polishing effect, essential and ideal for finishing and gloss contouring of all interdental surfaces. Specifications: Condition: Brand New Material: Fiber Color: Purple, Blue, Green, Pink Function: Purple--Shaping, Blue--Smoothing, Green--Pre-polishing, Pink--Polishing Quantity: 60pcs/pack, 15pcs for each color Single Strip Size: Approx.4*152mm/0.2*6.0in Package List: 1 Pack * Dental Abrasive Strips (60pcs)