The Yahei uppercase alphabet consists of 27 letters, 10 numbers, and the exclamation and question marks, totaling 38 pieces.
Both uppercase letters and numbers have a size of 8 mm.
In washable plastic material (PLA), each stamp is formed by 5 mm in height with the shape of the letter or number, for application on ceramics.
Additionally, it has a 15 mm grip for comfortable use.
Your inquiry is not bothersome.