Hamster London Liquid Chalk Markers Use Unique Ink That Brings Colors To Life. Our Fluorescent Colors Will Spark Your Creativity. Perfect For Use On Menu Boards, Chalkboard Labels, Chalkboard Paper, Bistro Boards, House Windows, Car Windows, Glossy Boards, Mirrors, Plastic, Metal And More. Perfect For Everyday Use And Decoration Or Gifts For Upcoming Holidays. Perfect For Children And Adults - Drawings, Games, Decorations On Nonporous Materials, Creating Works Of Art With Color Blending; Writing Notes And Attracting Attention In Bar, Restaurant, Home And Office; Decorating Objects, Cards And Other Surfaces For Every Special Event, Party Or Holiday. More Than Useful At Home (Kitchen, Bathroom, Windows, Varnished Furniture And Floor), Work, School, Craft, Hobby And Diy Projects!