Jumbo Stamper 4PkHow good are stamp pens? These Jumbo Stampers are even better. Bright, bold and ready to make a mess (the good kind), each pack comes with four different stampers in assorted shapes and colours. Theyre easy to use, satisfying to press, and great for decorating notebooks, cards, planners or school projects. With water soluble ink and a long 18 month ink life, theyre made for repeat use and plenty of creativity.