Check the listing for details. AZDENT Dental Super Elastic Niti/Stainless Steel Arch Wires Round Ovoid Natural. Condition: New. Listed at 1.75 USD. Introduction: 1.10pcs/pack 2.English Package 3.Used For Dental orthodontic treatment 4.Material: Super Elastic NITI /Stainless Steel 5.Type:Round Form: Ovoid Form/ Natural Form Size Option: 0.012 upper; 0.012lower 0.014 upper; 0.014 lower 0.016 upper; 0.016 lower 0.018 upper; 0.018 lower 0.020 upper; 0.020 lower Attentions: One pack just include one size, not mixed pack. In order to make you get it early, please email us if you need different sizes in 1 working day, or we will send 20 packs randomly . Thanks for your understanding. 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, you can bid on this item only if 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. Seller name:Dentistryshop City,State:SHENZHEN,China Telephone number:0755-23998164