Vitreous Enamel Surface High quality durable surface Embedded grey grid print Grid print for versatility Magnetic Heavy duty plastic hinges, aluminium frame. The swing leaf panels include are double sided. Available in 9 writing surfaces: Magnetic Whiteboard, Non-Magnetic Chalk Board, Magnetic Chalk Board Lines & Grids (on Magnetic Whiteboard and Non-Magnetic Chalk Board surfaces only), Maps & Music Lines (on Magnetic Whiteboard surface only) Deluxe frame 22.7mm wide Magnetic Grid Surface (Whiteboard and Chalkboard). After comparing online prices, www.marvel.co.za should be the cheapest on this product.