These Simply Acrylic paint markers are highly versatile and suitable for almost all surfaces.The water-based ink is permanent, streak-free and fast-drying. Can be used on many surfaces including paper, fabric, wood, ceramic, plastic, glass and more. Can be used straight from the tube and can be thinned with water.  Pump release: to release the colour, simply shake, press the pen multiple times against the surface and start designing Set of 2 x 5.3ml markers with 2-3mm nibs, in black and white colours.