Exercise and Stability Balls

Both the Sissel and Twist Exercise Balls are among the safest, most durable exercise balls in the world.

The ABS Pro Balls will support a weight of up to 2500 pounds and will not burst with a weight of up to 350 pounds (ABS 350 lbs.).

The Professional Balls will support a weight of up to 1100 pounds and have an anti-burst-limit (ABS) of 200 pounds.

What size of ball is right for me?
Your Height Ball Height Ball Size
Up to 4’10” (145cm) 18 inches (45 cm) Small
4’8” to 5'5" (140 - 165cm) 22 inches (55 cm) Medium
5'6" to 6’0” (165 - 185cm) 26 inches (65 cm) Large
6'0" to 6’5” (185 - 195cm) 30 inches (75 cm) Extra Large
Over 6’5” (195cm) 33 inches (85 cm) Extra, Extra Large