Pack of 6 Fluorescent Window Marker for LED Writing Board The fluorescent wet-wipe markers are ideal to work on surfaces such as glass, whiteboards and blackboards Especially effective under LED illumination,these would dazzle in bars and night clubs, which would certainly give a vibrant yet fresh look to your vibrant chic business can be easily erased from non-porous surfaces using a damp cloth Six colors available:Blue, Green, Pink, Purple, Yellow and White