Amazon.com: Krink K-55 Fluorescent Orange Paint Marker-Vibrant and Opaque Fine Art Acrylic Paint Pens for Smooth Surfaces - Acrylic Paint Markers for Metal Paper and Painted Surfaces - Graffiti Markers for Signs :
Amazon.com: Sharpie Oil-Based Paint Marker, Medium Point, Orange Ink, Pack of 3 : Arts, Crafts & Sewing