Body Sport Exercise Ball with Pump Body Sport Fitness Balls come in 5 different sizes to meet the needs of almost anyone in the world! Size recommendations are as follows - 45 cm (4'7" x 5'0"), 55 cm (5'1" x 5'6"), 65 cm (5'7" x 6'1"), 75 cm (6'2" x 6'8"), and 85 cm (6'9" and taller) Each Body Sport Exercise Ball comes with a hand pump and an illustrated exercise guide. Fitness balls come in a variety of color-coded sizes to accommodate any workout routine. Body Sport Exercise Balls can be used in a home gym commercial gym as a desk chair, for building core strength as part of a yoga or Pilates practice and more The possibilities are limitless with this cost-effective and versatile piece of workout equipment The durable Body Sport Exercise Ball is built to last in a busy fitness facility or home gym. The stability ball's ridged surface allows for a secure grip while doing exercises to build core strength and abs