Permanent Markers,izBuy 10PCS Oily Marker Pen Kit Original Fiber Tip Waterproof,For Marking And Sorting Suitable On Most Surfaces Like Metal, Glass,Wood,Stone,Plastic And More,S 5550(Ink Black) Ink dries quickly, waterproof, smear-proof and fade-resistant; Original Permanent Marker The Original Permanent Marker delivers precise lettering and numbering via a fine, ultra-fine Synthetic Fiber tip for clerical purposes and labeling. Waterproof, permanent ink writes on most surfaces, so you can complete organization tasks anywhere, any time; Diamond-shaped cap prevents rolling The pen cap can be -plugged on the end of the pen,with diamond shape it can stay without rolling on the desk while preventing fraying and extends the pen's life; Durable fine-point tip produces thinner detailed lines on even hard-to-mark surfaces.Writes on most surfaces including metal, glass, wood,stone,plastic, glass; Non-toxic Ink will not only add a splash of color to your day but will deliver a superior marking experience every time.