Pentel permanent marker handy S round lead the fine print red ink NXS15-B by Pentel, Sold individually - Walmart.com
Amazon.com : Pentel Permanent Marker, White, Fine Point, 1-Pack (100W-S) : Office Products
6 Pcs Permanent Marker White by PENTEL Japan 100w or 100w-s - Etsy
1 Piece Japan Pentel N850 Permanent Marker Paint Pen 4.2mm Round Tip Non toxic Waterproof Black Red Blue Marker Office Supplies|Marker Pens| - AliExpress