polyurethane foam;This football stress ball is a great way to kick off your next promotion; Always a fall favorite, the football stress ball brings life to your message with America's favorite sport; Note: Due to their handcrafted nature, stress ball sizes, colors and textures may vary, Factory cannot guarantee consistent imprints or PMS matches ; Not intended as a child's or pet's toy; Product Size: 3.5" w x 2.25" dia;