Comfort Collar Foam and padded tongue enhance comfort

Extra wide heel cup works with the body's natural cushioning for maximum support

By stabilizing the IT band

7% of impact shock) and amazing energy return for injury prevention

Players can use old tennis balls to keep score

Wilson Box O Fun 100 Pack Length_Extended - 27.1+ in. Comfort Collar Foam and paddedGive your racquet a splash of personality with the Wilson Box O Fun 100 Pack, a fun assortment of vibration dampeners that improve feel and reduce vibrations when balls hit the string bed. Box includes 100 dampeners of varying shapes. Reduces string vibrations for improved comfort and feel Includes assortment of fun shapes Comes in box of 100 dampeners