BOX DISPOSABLE ORAL EXAMINATION KIT It is include 7 pieces: tray, mouthmirror, probe, tweezers, dental bib, paper towels, mug. The tray size:200*130mm Mouthmirror size: 1.domestic(lengh:160mm) 2.foregin(anti-fog) (length:170mm) Probe size 1.domestic (length:175mm) 2.foreign(length:160mm) tweezers size: domestic (length: 160mm) 2.foreign length:165mm dental bib size: 450*380mm The price is difference between the domestic product and foreign product.