This wet-erase chalk ink marker is one of our most popular markers ideal for use indoor use in restaurants, bars, hotels, motels, cruise ships, offices, schools, hospitals, where bright and opaque poster paint colors are needed. Comes in 25 colors including white, black and vibrant primary, metallic and fluorescent colors. This wet-wipe marker is easy to remove with a wet cloth or sponge from non porous surfaces such as chalk boards, dry erase boards, glass and plastic. Available in single markers or in convenient sets of popular colors with a storage box. XYLENE FREE INK, odorless, replaceable tips, durable and non clogging. Perfect for indoor window decorating or signing, glass, home decor, graffiti, classroom, office, airports, factories, hospitals. Post your menus, daily specials, hot deals, messages to family, friends, roommates, employees using this great marker. Lightfast and highly opaque. Water based high quality pigment ink. Has the AP Seal certifying safe and non-toxic. Not intended for use by children unless supervised. Drying time is 1 to 2 minutes. Not intended for outdoor use as rain will wash the marker off the surface. For outdoor use view information on Kuretake Zig Poster man WATERPROOF markers. Available in following sizes and nib shapes: Broad Chisel 6mm, Big and Broad 15mm, Biggie 30 30mm.