Check the listing for details. 50 Pcs Dental Bite Registration Disposable Impression Trays 5 Types Net Bottom. Condition: New. Listed at 10.44 USD. Feature: Web design,wide bites,sturdy, plastics and special wedges can keep the extra remaining, Size: 5 sizes are suitable to all people. Large Full Arch Tray Small Full Arch Tray Large Half Arch Tray Small Half Arch Tray SS half Arch Tray Package Includes: 50 pcs Trays per Pack (You can choose the type your need) 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, do not bid on this item unless 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. This item has been cleaned and treated according to the manufacturer's instructions