Reusable Silicone Endoscopy Bite Block Mouth Guard Medical Dental Oral Protector for Gastroscopy Colonoscopy. Medical Grade Silicone: Made from high-purity silicone rubber ensuring safety and stability for medical use. Two-Year Warranty: Comprehensive quality guarantee period covering two years from purchase. Patient Safety Protection: Designed to keep mouth open and protect teeth and endoscope equipment during procedures. Adult Size Specification: Specifically designed and sized for adult patients during endoscopy. ISO 100,000-Grade Workshop: Produced in a 1,000-square-meter dust-free facility ensuring high product purity. Fast Quotation Service: Standard quotes provided within 24 hours of receiving inquiry. Sample Availability: Samples are available for purchase prior to placing bulk orders. Flexible Shipping Options: Shipped via sea, air, or express couriers like DHL, UPS, and FedEx.