Colorful Art Co. Chalktastic Liquid Chalk Pens - Set of 18 Neon, Washable Chalkboard Pens for School Blackboard, Menu Board, Mirror, Ceramics & Car Window Glass by Amazon.co.uk

• VERSATILE: Ideal for decorating any window, bistro board, or even back-to-school sign, these window markers not only work on chalkboards, but also glass, ceramic, whiteboards, and more!

• HIGHLY PIGMENTED: These chalk pens for blackboards wield all the power of chalk without the bothersome bits! Quick-drying, high-quality concentrated ink, for no-fuss fun!

• COLOURFUL: Available in 18 vibrant colours, these versatile, wipeable window pens have reversible bullet and chisel tips to finesse your artistic flair.

• CHILD SAFE: Safe to use and easy to clean - our non-toxic, odourless, erasable chalk markers are also washable - just use a damp cloth for a smear-free sparkle.

• ESSENTIAL ART SUPPLIES: Get creative! Our versatile chalk pen set has a reversible bullet and chisel tip so you can finesse your artistic flair in the classroom, at home, or anywhere else.