Material:Plastic Color:12 colors(Yellow, Green, Blue, Purple, Black, Gray, Brown, Orange, Sky Blue, Rosy Red, Red, Light Green) Pen Hard Head:0.5mm Size:(L)X(W)13.8X1cm /5.43\'\'X0.39\'\'(appr.) Package included: 1 Set Drawing Markers Features Made of plastic material,non-toxic,environmental protection,strong adhesion. Fit all people to use. Suitable for financial accounting, professional graphics, art and design. Enough bright colors for meeting your professional need and do not fade easily. Cap for protecting pen nib very good. Pen rod with human body engineering designed to easy writing. Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.