Permanent Universal Marker Set of 4. A universal marker suitable for almost all surfaces. Excellent smudge and water-resistant on nearly all surfaces. Chisel tip with a line thickness of 1 mm. Suitable for overhead projection. Dries within seconds and is also ideal for left-handed users. Set includes 4 different colors. A universal marker suitable for almost all surfaces and overhead projection. Permanent, low-odor ink with high color brilliance. The barrel and cap made of PP ensure a long lifespan. The marker can be left open for days without drying out. Additionally, it prevents leakage on airplanes due to automatic pressure equalization.