Complete 5-piece set covers five universal specifications including large, medium, small, anterior tooth and posterior tooth trays to match diverse oral cavity dimensions. Uniform perforated surface design locks impression material firmly inside the tray, avoid material slipping and dropping during mold taking operations. Lightweight rigid white plastic material maintains stable curved outline without bending or deforming under normal extrusion force during use. Integrated extended handle structure delivers steady grip for easy holding and smooth insertion into oral cavity during dental procedures. Single-use disposable design eliminates cross-contamination risks, ideal auxiliary supply for daily oral examination and mold collection work.