York Exercise Ball

York Exercise Ball The York Exercise Ball is a premium stability ball, perfect for core training. With it’s fast pump, this ball is ready to use out of the box. Put its durable rubber to the test with workouts like ball crunches, squats, hamstring curls, and back extensions. Key Features: 25.5 in diameter Includes manual pump and comprehensive exercise chart Anti slip surface Heavy duty durable, anti-burst PVC Premium black finish