Pentel Permanent Cellulose Paint Marker Pens - MMP20 - Single - Buy 4, Pay For 3 Cellulose-based Paint Marker from Pentel, utilising permanent, waterproof, opaque pigment-based inks. Perfect for writing and drawing on a multitude of surfaces, including thick card, metal, glass, ceramic, rubber, plastic, and stone painting. The 4.0mm rounded bullet tip delivers a 2.0mm line width. Not suitable for use on Soft PVC Expanded Polystyrene - Use in a well ventilated area. Every Colour Available. To qualify for promotion, simply add any 4 to your basket, and the discount will apply off the total automatically upon purchase. Orders based outside of the UK, please message us if any discount hasn't been applied or for a combined invoice. Free Worldwide Postage Same Day Dispatch Free 30-Day Returns