Special reinforced material ensures the appropriate strength and elasticity. Tight contacts, excellent retention, and separating teeth without impaction. For molars with regular crowns, short crowns, deciduous teeth, and other challenging areas. Two Rings: one for molars with regular crowns, the other for molars with low crowns or not well-aligned and deciduous teeth. - Autoclavable. Pack contains: - 30 pcs (#1-5pcs, #2-10pcs, #3-10pcs, #4-5pcs). - Resin clamping ring - 1 pc. - Resin separating ring - 1 pc. **For further product information, please contact Chat Support**