These 4090 Jumbo Chalk Markers are ideal for non-permanent opaque designing, decorating and writing on non-porous surfaces, such as windows, dark boards, glass, plexiglass and mirrors. Avoid dust, breakage and the mess of standard chalk; ideal for hand lettering for creative messages, notes or table decorations, these chalk markers allow you to produce a professional and elegant script or drawing. Your vibrant messages, designs, doodles and menus can be wiped off non-porous surfaces with a damp cloth. The chisel nibs feature a stroke width of 4-15mm. This set includes white, neon yellow, neon orange and neon pink.Details:Includes assorted colors6 packs (4 chalk markers per pack, 24 total markers)Chisel nibs (4-15mm width)Water-based liquid chalk is low-odor for a pleasant writing experienceShake before use, remove cap and activate pump system by pressing nib down on a test surfaceCap can be stored on the end of the barrel to prevent risk of losing itMade in Germany