About product and suppliers:
            1,326 invisible ink pen products are offered for sale by suppliers on Alibaba.com, of which marker pens accounts for 19%, ballpoint pens accounts for 8%, and permanent markers accounts for 4%. 

A wide variety of invisible ink pen options are available to you, such as office & school pen, promotional pen. You can also choose from ballpoint pen, marker pen invisible ink pen, as well as from multi-functional pen, logo pen invisible ink pen, and whether invisible ink pen is sports, animal, or feather. 

There are 819 suppliers who sells invisible ink pen on Alibaba.com, mainly located in Asia. The top countries of supplier is China, from which the percentage of invisible ink pen supply is 100% respectively.