Feature: 1. Special reinforced matirial ensures the appropriate strength and elasticity; 2. Deliverying optional separation forces and buliding perfext contct each time; 3. Tight contacts,excellent retention and separating teeth without impaction; 4. For molars with regular crown,with short crown, deciduous teeth and other chanllenging areas; 5. Two Ring：one for molars with regular crown,the other for molars with low crown or not well aligned and deciduous teeth; 6. Autoclavable The system contains: Sectional Matrix Bands:30pcs(#1-5pcs,#2-10pcs,#3-10pcs,#4-5pcs) Resin Clamping Ring-1pc Resin Separating Ring-1pc Packing:1 box Proprietary Name:20 pieces of clearance wedges with holes in four types; 20 pieces of resin matrix bands in both large and small size; 20 pieces of software clearance wedges in four types; 20 pieces of subgingival matrix bands in large size; 20 pieces of subgingival matrix bands in medium size; 20pieces of subgingival matrix bands in small size; 50 pieces of ordinary matrix bands in medium size; 50 pieces of ordinary matrix bands in small size; 50pieces of ordinary matrix bands in large size; 6 pieces of clamping rings; 6 pieces of silicon clearance wedges; Adhesive tip applicator; Matrix Bands Kit; One piece of medical forceps; wedgeguards Classification Name:INSTRUMENT, FILLING, PLASTIC, DENTAL Product Code:EIY Device Class:1 Regulation Number:872.4565 Medical Specialty:Dental FDA Statement The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, you can bid on this item only if you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item. Seller name: dentaljoy City,State: SHENZHEN,China Telephone number: 0755-26789362 Payment We only accept paypal payment,it is easy and safe. and for any other payment forms,please kindly contact us in advance. Shipping The goods you ordered will be posted out in the second working day after the payment has been made. (We will inform you via email if any delay occurred due to holiday events. General shipping time is between 7-12 working days. (After the shipping started, the order will be monitored and the track of the item will be posted on paypal) About Us If you have any query or dissatisfaction, please find our customer service via eBay Message Center only. If you send message via eBay message, we’ll reply you within 24 working hours. Thank you so much for your purchase. Wish you have a nice day! : -)