Magna Visual Magnetic Write-On/Wipe-Off Pre-Cut Strips, 2 x .875 Inches, Red, 25 per Pack (PMR-723) Write directly on these magnetic strips with a water-soluble marker(not incl.)wipes clean with a damp cloth. Soft magnetic material will not scratch surface. Soft magnetic material will not scratch surface. Pack of 25 Write directly on these magnetic strips with a water-soluble marker(not incl.) wipes clean with a damp cloth. Soft magnetic material will not scratch surface. Pack of 25