Check the listing for details. Dental Orthodontic Niti Round/Rectangular Archwire Super Elastic Upper Lower. Condition: New. Listed at 0.99 USD. Introduction: 1.10pcs/pack 2.English Package 3. Used For orthodontic dental treatment 4. Material: Super Elastic NITI 5.Type: Rectangular/Round6.Form:Ovoid/Square/Natural We have sizes of: 12 upper, 12 lower14 upper, 14 lower16 upper, 16 lower18 upper, 18 lower20 upper, 20 lower 0.014x0.025 upper, 0.014x0.025 lower0.016x0.016 upper, 0.016x0.016 lower0.016x0.022 upper, 0.016x0.022 lower0.016x0.025 upper, 0.016x0.025 lower0.017x0.022 upper, 0.017x0.022 lower 0.017x0.025 upper, 0.017x0.025 lower0.018x0.018 upper, 0.018x0.018 lower0.018x0.025 upper, 0.018x0.025 lower 0.019x0.025 upper, 0.019x0.025 lower0.020x0.020 upper, 0.020x0.020 lower0.021x0.025 upper, 0.021x0.025 lower One pack just includes one size, not mixed pack Total is 1 Pack/10 Packs,Choose the model you like 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 On Nov-28-19 at 23:46:41 PST, seller added the following information: