65cm. Stability Exercise Ball for Balance, Yoga, or Ab Workouts (Professional Gym Quality) by EcoWise

Improves alignment and flexibility, great for stretching exercises, rehabilitation, Yoga and Pilates

Made with burst-resistance TPR (Thermoplastic Rubber) material, 100% recyclable, free of latex, PVC and phthalates

Max static weight: 300 lbs.

Ball measuring tape and inflating instructions included in retail packages, bulk packages only include the ball