Professional dental lingual retainers mainlyfor post treatment retention for dental orthodontic patients. Ideal for hospitals. Dentist, personal physician.Features: Professional for dental use, a universal lingual retainer. Made of high quality stainless steel with mesh base in one side of good adhesion. Mainlyfor post treatment retention for dental orthodontic patients. It is a physical polishing treatment which can last for over 4 hours. Ideal for hospitals. Dentist, personal physician. Specification:Item Type: Lingual RetainersColor: As Pictures ShowSize: 55 * 2.0mm / 2.2 * 0.1inchPackage Weight: 2gQuantity: 2PcsPackage list:2 * Lingual Retainers 1Professional for dental use, a universal lingual retainer 2Made of high quality stainless steel with mesh base in one side of good adhesion 3Mainly for post treatment retention for dental orthodontic patients 4It is a physical polishing treatment which can last for over 4 hours 5Ideal for hospitals. Dentist, personal physician",<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store