This is a tracing paper type of sticker with cute handwritten numbers (ordinal numbers) in a match case type. 

Please enjoy using the transparent material. 
You can write with an oil-based ballpoint pen. 

Accented with perforations that can be used to tear off one piece at a time. 

Matchcase size ・ Approximately 5.4mm x 5.4mm 

sticker is bound as a bellows fold. (If you cut, 1 to 10 will be one by one)