Features: Main Material: Made of food grade silicone, harmless, and eco friendly, flexible and durable for use. This cheek retractor helps give you an unobstructed look of the oral cavity. Dental Supplies: Effectively open the patients mouth for inspection and dental operation, convenient and practical. High Temperature Resistance: Can support high temperature cleaning, safe and hygienic, reliable, easy to clean and use. Home Use: Can be used repeatedly without causing discomfort to the mouth and lips, suitable for hospitals and dental clinics. For Teeth Whitening: The edges are smoothed and these are comfortable to wear. It is a good accessory to use along with home teeth whitening kits. Specifications: Type: Dental Retractor Material: Silicone Color: Blue, Green Size(L*W*H): About 8.4x6x5cm/3.31x2.36x1.97inch Package Included: 1pc x Dental Retractor Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.