Chalk ink marker Chalk Ola - 1 mm. Suitable for all PENGUIN STORIES planners, especially for table planners.
Not-permanent, quick drying. Water-based and non-toxic, odor-free, light-fast.
It can be easily removed from non-porous, sealed surfaces like glass, plastic, car bodywork, white boards, mirror, metal, slate, ceramics, non-porous chalkboards with water.