Crafted from durable PU material, it provides instant relief anytime, anywhere. With a diameter of approximately 2.48 inches, this gem is your ultimate stress-buster! Squeeze, knead, and squash away those worries with ease. A great promo gift for your company, organization, hospital and school. Get your hands on the PU Stress Relief Ball today and unleash a wave of tranquility! 2 31/64" D