Amazon.com : SPLIT SOLID Paint Marker - Multicolored, Permanent & Waterproof. Writes Vibrant Blended Colors on Rock, Glass, Metal, Fabric, Concrete, Stone, and More. Graffiti Art on All Surfaces (All 8 Colors) :
The Shank - 8mm Graffiti Ink Marker by Infamy Art - InfamyArt
3 Markal B Gray Tire Chalk Paint Sticks Crayon Surface Marker Graffiti Art - Walmart.com