Sof-Lex finishing and polishing strips are designed to help prevent interproximal plaque buildup for superior finishing and polishing of composite, ceramic and glass ionomer dental restorations. Easy-to-use system allows you to create smooth proximal surfaces. Strips are gapped at their centers for easy interproximal insertion. Precision-coated with an aluminum-oxide grit to produce a smooth restoration surface that helps prevent interproximal plaque buildup. Color coded and easy to insert. For finishing and polishing interproximal areas.