Uni Liquid Chalk Marker PWE-5M - White The uni Chalk Marker is a non-permanent marker pen which writes on and is easily removed from chalk boards, windows, sandwich boards and and other non-porous surfaces including metal and plastic. Available in 8 colours, the uni Chalk marker overcomes the shortcomings of normal chalkboard markers and creates writing that is weather resistant, but which can be easily cleaned off with a damp cloth.Produces a 1.8 to 2.5 mm line. Bullet nib. Oversized items or orders weighing over 2kg will be sent by courier. Oversized items or items weighing over 2kg will be sent by courier. Combined postage discounts are always available. If postage is not specified for your location, then you can request an invoice from us through the checkout page. Buyer pays return postage. ABOUT USTrading for over 20 years, our family run business offers a first class service to the professional, leisure, beginner artists and crafters throughout the UK and internationally. Whichever option you choose you will be guaranteed the same outstanding level of service.