As advertised I have purchased a few exercise balls in the last 20 years. Names keep changin...
DEVEBOR Exercise Ball for Yoga Balance Fitness Stability Workout Guide, Professional Grade Equipment,Supports 2000lbs Anti Burst Ball (New Black, 65cm)
TheraBand Exercise Ball, Professional Series Stability Ball with 55 cm Diameter for Athletes 5’1″ to 5’6″ Tall, Slow Deflate Fitness Ball for Improved Posture, Balance, Yoga, Pilates, Core, Red
ProBody Pilates Exercise Ball – Professional Grade Anti-Burst Fitness, Balance Ball for Yoga, Birthing, Stability Gym Workout Training and Physical Therapy – Work Out Guide Included (Silver, 45 cm)
CanDo Donut Exercise, Workout, Core Training, Swiss Stability Ball for Yoga, Pilates and Balance Training in Gym, Office or Classroom. Blue, 85 cm W x 40 cm
Gaiam Grippy Toeless Yoga Socks for Extra Grip in Standard or Hot Yoga, Barre, Pilates, Ballet or at Home for Added Balance and Stability (2-Pack), Yellow/Blue