These Neon Waterproof Window Pens are great as a sign marker pen. Writes on nearly anything...GLASS, PLASTIC, METAL, STONE, ACRYLIC, CERAMIC! Stays on in the rain, but easily removes with most window cleaners! A neon marker with a chisel tip for fine to medium writing width gives you lots of control.
Colors Include:2 Red, 2 Blue & White.
Buy a Full 5 piece set and save money!