2.75"x6" sheet of clear stamps. Kelly’s Sports Planner is a set of Hero Arts Clear Design Stamps created to plan and document your team spirit in style. Clear Design Stamps peel off their backing and stick to acrylic blocks for easy positioning. Mix and match the designs, then easily store them for another time. Created for Hero Arts by designer Kelly Purkey as part of the Clearly Kelly Planner line. Made in the USA from genuine photopolymer. Unmatched quality means a crisp impression every time.