Description: Product Name: Lip Retractor Material: pp Color: Transparent S: 8.3cmx7.1cmx2cm Package Contents: 3 x Cheek Retractors Features: 1. Compatible with detoxification and the autoclave ( Greater Than 130°C) 2. Can be as Cheek Retractor/mouth opener/ Lip Retractors/ Cheek Expanders 3. Health and safety materials, elasticity, consistent with mouth, very practical. 4. Smooth surface is more comfortable.. For home and dentistry use. Helps give you an unobstructed view of the oral cavity. It doesn't stretch lips or let you feel uncomfortable. Easily get varied view for orthodontic treatment. Plastic material and for single use