Best-Rite 212AG Deluxe Dura-Rite Dry Erase Whiteboard, Aluminum Trim & Maprail, 4 x 6 Feet Dura-Rite Whiteboards provide a wear-resistant and dust-free surface at an affordable price. HPL gives smooth writability and erasability. Taber tests show dust-free Dura-Rite lasts up to 125 times as long as standard melamine. Surface is permanently adhered to an insulation board substrate Anodized aluminum trim has a .88" profile with hairline mitered corners. Includes a full-length tackable map rail with a colored cork insert, and a full-length accessory tray with rubber Dura-Safe end caps to eliminate sharp edges. Twenty year limited warranty. Manufactured in the US of foreign and domestic materials.