John "Jack-Jack" Jackson Parr is the youngest son of Bob and Helen Parr, as well as the younger brother of Violet and Dash. His primary power is shape-shifting, but he also has a large number of other powers. 
 
This bookmark measures approximately 10-5/8" tall by 2-7/8" wide.  It is made with a combination of various weights and colors of card stock.  All of my bookmarks have a design on the reverse side which adds to their sturdiness.
 
Be sure to also check out Mr, Incredible, Elastigirl, Violet, Dash, and Edna, as well as my other bookmarks, each available separately,