Specification:Size: 260×240×190mmMaterial: PVC material, imported paint, computer color matching, hand-paintedScope of application: teaching, decoration, demonstration, doctor-patient communicationProducts Include:1 × Human Nasal Cavity Anatomy Model Note1-2 cm measurement error is a reasonable range, due to the manual measurement methods.Please be reminded that due to lighting effects, monitor's brightness / contrast settings etc, there may be a little difference in the color of the pictures and the actual item.