Specifications: Writing smooth, delicate lines, clear, dry fast. In very smooth surfaces can very good adhesion, suitable for writing on ceramics, white board, plastic products, stem stitch is easy to erase, post dryout can on with a small amount water the blackboard brisk wipe clean. Built in eraser design, you can erase easily. Item Name: Whiteboard Pen Material: Plastic Ink Color: 8 Color Features: Magnetic, Erasable, Stationery Length: 11.3cm/4.45" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 8 x Whiteboard Pen