Check the listing for details. Clear Upper Retainer, Custom Made, Affordable Dental Retainers, Online Retainers. Color: Clear, Condition: New. Listed at 179.95 USD. At-Home Kit. Also known as: Affordable dental retainers. Teeth retainer online. How to make a retainer for your teeth at home. Includes Upper Impression Trays, Impression Material, Retainer Case, and a Professional Dentist Prescribed UPPER Invisible Retainer (with wire). Will it work for me? Yes, if you have straight teeth and want to keep them that way. Unsure? Send us a photo via Ebay Messaging Invisalign style plastic material: Made in the USA. The ideal choice for cosmetic orthodontic retention. Composed of FDA compliant PETG (Polyethylene Terepthalate Glycol). The .040" thickness is ideal for wear resistance and longevity. Wire Reinforcing Bars:We designed these wires to make invisible aligners and retainers more stable and retentive. Made in the USA from 304V stainless steel, spring temper, 0.045" diameter round. Patent Number 6,790,036 FREE WORLD-WIDE SHIPPING. PLEASE NOTE: SHIPPING OF IMPRESSIONS BACK TO US MUST BE PAID BY YOU (OUTSIDE OF THE USA ONLY). Manufacturer direct. We have additional orthodontic plastic and lab services available. Please message Brian Graham with your comments, questions, and concerns.