Amazon.com: posca MOP'R PCM-22 Multi Surface Permanent Paint Marker, XXL Round Tip 3-19 mm, Box of 4 Blue : Arts, Crafts & Sewing
POSCA MOP'R Paint Marker Graffiti Pen Art Pens Any Surface XXL Round Tip - 19mm | eBay
Krink Paint Marker Set of 4 White Graffiti Markers Pack of 4 Including K60 Mop K66 Ballpoint Pen K42 Bullet Tip K75 Chisel Tip White Paint Marker Set for Alcohol-Based White :
GROG Squeezer 05 Empty Mop Marker Graffiti Art Supplies 5MM Tip | eBay