Features: 1. Made of clear plastic with smooth surface, good elasticity, easy to use, excellent comfort, help you better observe the mouth. 2. Includes 2pcs large and 2pcs small intraoral opener. 3. T shape with double end opening design will help you to observe the oral cavity in a more clear sight for an easier intraoral check operation. 4. Compatible with the cold sterilization and the autoclave (<135°C). 5. Ideal for hospitals, dentist, personal physician. 6. Reusable after sterilization. Specification: Condition: 100% Brand New Item Type: Dental T-Shape Intraoral Lip Retractor Color: Black Material: Plastic Quantity: 4pcs in total, 2pcs large and 2pcs small intraoral opener Large size: approx. 167 * 55 * 24mm / 6.6 * 2.2 * 0.9in Small size: approx. 145 * 45 * 20mm / 5.7 * 1.8 * 0.8in Package List: 2 * Large T-Shaped Lip Retractors 2 * Small T-Shaped Lip Retractors Note: 1. Please allow 1-2mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.