1.ABS, dental impression trays 2.full tray and half tray 3.Large,Medium,Small,Anterior plastic dental impression trays ( impression trays , medical plastic product )We offer disposable medical plastic products.full tray and half trayLarge,Medium,Small,AnteriorMaterial:ABS 150 pcs/carton for full tray200 pcs/carton for half tray. disposable plastic dental impression trays