CocoFang CD/DVD Twin Tip Permanent Marker 5 PCS, Fine/Ultra Fine Point (5PCS BLACK) Bold, smooth color specially formulated for CDs, DVDs and jewel cases (do not write on data recording side). A fine point tip on one end and an ultra-fine tip on the other allows for precision and control while writing. Fast drying, smear-proof, fade- and water-resistant ink is AP certified nontoxic. Total Length approx:13.5cm(5.31inch)