Sakura Pen-Touch Ceramglass 

With the new CeramGlass markers from the Pen-Touch ™ Sakura series, glass surfaces such as porcelain, glass, etc. are drawn directly. The only "ceramic marker" that does not require fusing because here the ink is dried for 12 hours. After this time, your decoration will be water and chemical resistant and permanently colored. Pointed tip 1 mm of hard plastic and round 2 mm with semi-hard fiber. Individually 8 vibrant colors can be mixed. Odorless and non-toxic. Made in Japan. bruynzeel-sakura, reliable products that everyone has enjoyed for many years.