http://amzn.to/1dtJprJ Utilizing Liquid Chalk Markers or also known as Craft Chalk Ink Markers is easy and exciting! This type of marker pen truly has each lady and kid amazed. They come in 6mm size tips in eight wonderful colors, which are white,red,pink,orange,yellow,green,blue, and black. Liquid Chalk Pens is perfect for chalkboards,whiteboards,mirrors,glass,automobile windows,ceramic projects and far more. They are #1 suggested by artists and crafters. Chalk Markers provide a dustless erasable chalk in hot neon colors with a high quality INK imported from Japan. They will easily be removed with any wet wipe as they are waterbased chalk ink. Angel Crafts CRAFT CHALK INK PENS consists of water,resin,pigment and meets EN71-3, ASTM F963, and ASTM D4236 specifications. Because they are waterbased markers removing any pigmentation is super easy. Not too mention they are non-toxic,totally odor free,acid free, and eco friendly.