Permanent, Waterproof Marks: Our oil based paint pen creates durable, fade resistant marks on glass, metal, plastic, and more, perfect for lasting signatures and touch ups. Quick Dry & Weatherproof: Dries in 30 seconds and resists sun, rain, and friction, making it ideal for outdoor use on car tires, garden signs, and equipment. Vibrant Color in One Stroke: Delivers bright, eye catching color on dark surfaces like black cardboard and metal without dulling or turning gray over time. Smooth, Durable Tip: Features a 3mm round elastic fiber tip that won’t split or collapse, allowing smooth ink flow for writing, outlining, or coloring blocks evenly. Versatile DIY & Marking Tool: Perfect for tire painting, hand painted mugs, window art, stone crafts, model painting, and clear labeling of outdoor gear or serial numbers. Description: This oil based paint pen delivers permanent, vibrant marks on glass, ceramics, metal, plastic, rubber, and more. Its quick drying formulas set in about 30 seconds and becomes waterproof, sunproof, and friction resistant after curing, ensuring durability on car tires, garden signs, and outdoor objects without fading. The bright color applies smoothly in one stroke on dark surfaces like black cardboard and metal without dulling or graying. Featuring a 3mm round elastic fiber tip, it allows precise writing, artistic word art, outlining, and block coloring without splitting or collapsing. Ideal for tire whitening, DIY mugs, window painting, stone art, model painting, express marking, and outdoor equipment labeling. Item Name: Paint Pen Material: Plastic Features: Quick Drying, Waterproof Performance, Oil Based Size Details: Length: 16cm/6.3" (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: 1 x Paint Pen