Check the listing for details. Dental Ceramic Veneer Pretreatment Patch Tooth Box Denture Storage Boxes Round. Condition: New. Listed at 10.12 USD. Dental Veneer Pretreatment Box Material:Plastic Type:Round/Rectangle Feature: 【Full Protection】：Once the ceneers are secured on the pad , the membrane-frame is clipped on the base of veneerme box for extra fixation . 【Nylon Material 】：The xx-thin membrane , made out of nylon , delicately adapts to the shape of the veneers. 【Simple to use】：With this done , you just need to close the lid and your master work is ready for delivery . 【Accessories can be Replaced 】：The membrane-frame can be replaced, if needed , after having been used several times . Steps for usage: 1.ACID ETCHING : Acid etching will be performed on the sticky pad 2.WAITING TIME : Time requested by the porcelain manufacturer . 3. CLIP & WASH : Slip the membrane frame and wash the acid , even under the tap . 4.RINSE & DRY : Rinse , even in there ultrasonic device , and continue with all bonding steps in the same way .