Dental 1 Box Stainless Steel Impression good Trays Autoclavable 6pcs/box saleKey features: Description: Autoclavable for repeated use， can be heated to 121. Uniquely design.sturdy and durable. Design of anatomy， smooth surface for the best comfort to the patient， perfect to load the impression material， repeated use after sterilize.Material: STAINLESS STEELPacking: 6pcs in one box1 pcs small upper1 pcs medium upper1 pcs large upper1 pcs small lower1 pcs medium lower1 pcs large Lower