On amazon get this AmazonBasics Permanent Markers - Assorted Colors, 24-Pack
For $5.49 was $9.99!
24-pack of assorted permanent markers for home or office; non-toxic, conforms to ASTM D4236
Durable fine point creates bold marks and clean lines—great for writing, doodling, and drawing
Quick-drying, waterproof ink; smear proof and fade resistant
Variety of bright colors: red, purple, blue, green and black
Works on almost any surface—photos, plastic, cellophane, wood, stone, metal, and glass