Red and Blue Swirls

A pencil doodle from my small sketchbook. Lines inked with red and blue pen. Colored (including the page edges) with red and blue markers.

• Pens: Cobalt Copic multiliner 0.3; red Uni-ball gel impact pen 1.0 (does not smear or bleed with Copic markers)
  
• Copic marker colors used: B21,26, R24,29
  
• Paper: Strathmore medium drawing paper, natural white, 4x6"