Our Good Work Incentive Stamps are great for grading papers, decorating cards and gift bags. They're also a fun way to track goals and provide positive reinforcement for children of all ages! They are made to fit Creative Shapes Etc. Incentive Charts, Personal Incentive Charts/Bookmarks, and Job Charts. Stamp dimensions are: 1/2" x 1/2" x 3"; 7/16" image in a 1/2" square.