Check the listing for details. 10 Pcs Dental Orthodontic Super Elastic Niti Rectangular Arch Wire Ovoid/Nature. Condition: New. Listed at 1.99 USD. Introduction: 1.10 pcs/pack, 2. English Package 3. Used For orthodontic dental treatment 4. Material: Super Elastic NITI 5. Type: Rectangular Form: Ovoid/Natural We have sizes of 0.014x0.025 upper, 0.014x0.025 lower 0.016x0.016 upper, 0.016x0.016 lower 0.016x0.022 upper, 0.016x0.022 lower 0.016x0.025 upper, 0.016x0.025 lower 0.017x0.022 upper, 0.017x0.022 lower 0.017x0.025 upper, 0.017x0.025 lower 0.018x0.018 upper, 0.018x0.018 lower 0.018x0.022 upper, 0.018x0.022 lower 0.018x0.025 upper, 0.018x0.025 lower 0.019x0.025 upper, 0.019x0.025 lower 0.020x0.020 upper, 0.020x0.020 lower 0.021x0.025 upper, 0.021x0.025 lower one pack just include one size, not mixed packFDA 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.