The alphabet consists of 27 + 27 pieces formed by:
27 lowercase letters LETTER SIZE: 6 mm to 7 mm.
27 uppercase letters LETTER SIZE: 7 mm.
In washable plastic material (PLA) Each stamp is formed by 5 mm in height with the shape of the letter, for application on ceramics. And it also has a 15 mm grip for comfortable use. Your inquiry is not bothersome.