Check the listing for details. 5 Sizes Dental Disposable Plastic Central Denture Impression Trays 2 Pcs/Pair. Condition: New, Made in China. Listed at 1.89 USD. Dental Plastic Disposable Impression Trays. Note: Disposable! The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. 1/2/5/10/20/50/100 Pair.