You feedback is VERY important to us! We understand the concerns and frustrations you might have, and will try our best to resolve the isuues. Exchanges are offered for items that are defective or damaged when received, although this is highly unlikely. Defective items or problems with your order must be reported within 3 days after receiving. Please keep all packaging, documentation, packing list, etc.That came with your order. These will be used to verify claims if there is any problem with you. Serivce is our #1 priority at Dentistclub! We offer the best items at the best prices. We strive to exceed all your expectations and put a smile on your face. We stand behind our products and pride ourselves on OUTSTANDING customer service. The sale of this item may be subject to regulation by the U. Food and Drug Administration and state and local regulatory agencies. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical, Lab & Dental Supplies\Orthodontic Brackets, Bands & Buccal Tubes". The seller is "dentistclub" and is located in this country: CN. This item can be shipped worldwide.