TIMART 1mm extra fine tip liquid chalk pens use new upgraded ink that brings more fluorescent colors to our customers. All colors are extremely pigmented, vibrant, and long lasting. Make beautiful artwork to creating holiday decorations for Christmas, 4th of July, Halloween, Birthdays, graduation car decorations, first day last day of school and more. Have fun and be creative! Super Thin 1mm Ultra Fine Point Chalk Marker - Time to replace the old dusty chalk with chalk ink markers. 8 Vivid Neon Colors - Timart fine chalk pens use new upgraded ink that brings more fluorescent colors to our customers. All colors are extremely pigmented, vibrant, and long lasting. Wipe Off Easily - Our Fine tip liquid chalk markers can be erased easily by wiping the area with a damp cloth or paper towel.(ERASABLE ON NON-POROUS SURFACE ONLY!) Fun And Easy To Use -These fine tip chalkboard markers make great window markers and dry erase markers! Use these chalk markers for glass, tile, contact paper, stickers, whiteboards, plastic, and metal with ease. The bright liquid chalk is sure to please. Please Note - Our erasable chalk markers work perfectly with bright colors and vivid colors on ALL non-porous surfaces. it's recommended to try them first on small areas and always follow the cleaning instructions provided.NOT ALL CHALKBOARDS ARE SUITABLE FOR THE USE OF CHALK MARKERS. PLEASE TRY THE MARKERS ON SMALL AREAS FIRST TO AVOID RUINING YOUR BOARD.