Top Ten Tech Magnetic Project Mat Work Surface Mat with Paint Marker, with Clean Cloth (4 in 1 ) Can be effectively absorbed small complex component from disassembling and prevent from losing. Product is washable, even stubbornly attached handwriting is available to wipe out with wet wipe. Wet-wipe marker will not smudge, but cleans up easily with water for your next project. Ideal solution for mobile phone, smartphone, computer and laptop repair and other small electronics. Create your own D.I.Y assembly of assembly, use a pen to record the disassemble process.