Power Systems Versa Stability Ball 55cm

Constructed of high-quality, professional-grade materials and won't pop if punctured. Instead, they deflate slowly, significantly reducing the risk of injuries if a puncture occurs while in use. Easy to inflate, and includes a tape measure that makes it easy to tell when you've added the right amount of air. Sold individually. Storage options and pumps available. 

Features:

• Promote proper posture, increase lower back mobility, build back and abdominal strength
• Improve core strength
• High quality professional grade PVC construction

User's Height Listing:

• 55 cm: 5'1" to 5'7"
• 65 cm: 5'8" to 6'1"
• 75 cm: 6'2" to 6'7"

Item SKU: 80018