Amazon.com: RevTime Ultra Thick Anti-Burst Gym Ball 65 cm with Air Pump Exercise Ball Great for Yoga, Balance, Fitness, Desk Chairs, Dark Gray : Sports & Outdoors
Cando Inflatable Exercise Ball - Accessory - Stabilizer Base - Medium, For 65 Cm And 75 Cm Balls : Target
65-75 cm Anti-Burst Yoga Balance Ball – Yoga Accessories
TRX STABILITY BALL
Stability Ball™ with pump - 65 cm for Pilates | Merrithew®
GoFit 65-cm Stability Exercise Ball in the Exercise Balls department at Lowes.com