Magna Visual PMR-761 Magnetic write-on/wipe-off pre-cut strips 7/8h x 6w, white, 25/pack Trimmable write-on/write-off strips are manfactured of flexible, soft magnetic backing material. For use with water-soluble markers; wipes clean with a damp cloth. Revolutionize the way you organize and customize magnetic information boards used for static and changing presentations, assignments, responsibilities, lists and more. Manufactured of soft magnetic backing material so peel-and-stick strips won't damage boards as they're placed, relocated and removed. Made in the U.S.A. of high-quality raw materials. Use a water soluble marker (not included) to write directly onto the surface of these handy magnetic strips; wipe clean with a damp cloth. Trimmable write-on/write-off strips are manfactured of flexible, soft magnetic backing material. For use with water-soluble markers; Revolutionize the way you organize and customize magnetic information boards used for static and changing presentations Manufactured of soft magnetic backing material so peel-and-stick strips won't damage boards as they're placed, relocated and removed. Made in the U.S.A. of high-quality raw materials. Use a water soluble marker to write directly onto the surface of these handy magnetic strips; wipe clean with a damp cloth.