Use these markers on almost any surface, including glass, metal, plastic and more. This pack of 5 BiC Intensity Pastel Markers is great for all sorts of creative projects.These pens use alcohol-based low-odour ink that dries quickly and have ergonomic rubber grips for accurate lines and comfort. These pens come in multiple bright and trendy pastel colours and can have the cap left off for a month before they dry out.. Pack of 5. Permanent. Bright pastel colours. Can be used on most surfaces including (paper, cardboard, plastic, glass, metal). Will not dry out for a month if cap left off. Comfortable rubber grip. Approximate dimensions (mm) H 197 W 127 D 18