Spri Products SPRI® XERCISE BALL™ - Professional Plus 55 CM
These safe, heavy-duty, slow-deflate quality 55cm SPRI® Xercise Ball® is durable enough to withstand diverse training applications in any club environment. Professional Plus (slow-deflate up to 350 lbs.) Xercise Balls® were designed for heavy use in all workout environments.
General Guidelines for choosing the size of Xercise Ball that is right for you: 45cm = under 5ft. tall 55cm ball = 5' to 5'7" 65cm = 5'8" to 6'3" 75cm = over 6'3" tall