Sakura XSCM-T-19 Red Solidified Paint Low Temperature Slim Solid Marker, Mini-Barrel, -40 to 212 Degree F, 10 mm Push-Up Tip (Pack of 12) Solid paint marker formulated for low temperature & freezing environments, working temperature range of -40 to 212 degrees Fahrenheit, -40 to 100 degrees Celsius Marks on almost any surface or material, smooth or rough, dry or wet, through rust, dust, water and even underwater! Dries quickly in minutes, permanent when dry. Fade, water & weather resistant 10mm tip size, can be trimmed with a blade for smaller marks. Push-up from bottom to advance more paint, using a rod, pencil, or tool like a screwdriver Non-toxic, Non-hazardous & low odor