Aerobie?? Football will give you perfect spirals every time. Patented curved fins propel the Aerobie football into a perfect spiral every time. Increased Accuracy: Unlike straight fins which would slow the spin rate, the Aerobie football's curved fins accelerate the spin, increasing the stability and accuracy of throws. Patented curved fins accelerate spiral action Faster spin rates for tighter spirals and greater accuracy Pocketed grip design - ideal for all hand sizes Tough, squeezable foam for comfortable catches Large 9 inch size for optimum performance Vibrant two tone colors Easy to Catch: Aerobie footballs slow to a wobble-free final glide, making them easier to catch than other footballs. Precision Grip: The patented finger pocket grip fits all size hands, making the Aerobie football easy to throw well.