Specifications: When used with watercolor pencils, you can draw a watercolor touch, blurring or mix colors. Material: Body: PE; Cap: PP; Product Size: 5.9 x 0.5 x 0.5 inches (151 x 13.5 mm); Type: Medium Brush, Thick Brush, Fine Brush, Flat Brush; Model Number: 949 01; 949 02; 949 03; 949 04