8-Color Water-Based Fluorescent Markers - Erasable for Menu Boards, Reusable Signage & Advertising. Name: special pen for fluorescent plate. Model: PT-1080. Specifications: 8pcs. Warm tips: Wipe with moist tissue/sponge/towels better. Water-based ink scrubs easily without leaving any traces. Steps to use: 1. Shake the pen holder evenly before use to allow the ink to be fully mixed. 2. Press and discharge air before first use. 3. Press the pen tip vertically to produce ink. 4. Soak it ink and use it.