Stabilo Cappi 12-set. Pen caps can be threaded onto a cap ring - so its almost impossible to lose them and the pen does not dry out. Unusual tube shape - so the pen doesn`t roll away and can be easily picked-up. Ergonomic grip zone ideally designed for childrens hands. Line width approx. 1 mm. Washable ink. Ventilated cap. Can be left uncapped for up to 24 hours without drying out.