Metroplan write on vitreous enamel steel whiteboards metroplan 49464 these write onreg vitreous enamel steel whiteboards from metroplan provide the ultimate drywipe surface the enamel coating is baked to a temperature above 800degc to give an incredibly durable and hardwearing surface the surface is also magnetic so magnets can be used to attach charts posters notes and other displays metroplan write on vitreous enamel steel whiteboards 1200x1800mm