1. Exercise Ball - Professional Grade Anti-Burst Yoga Ball, Balance Ball for Pilates, Yoga, Stability Training and Physical Therapy (Silver, 55cm (No Pump)) (Click Link to Check Price on Amazon)
Editor's Rating : 8.8 out of 10
PROFESSIONAL GRADE exercise balance ball. The ProBody Pilates ball is intended for core strength, balance, back rehabilitation and for toning and sculpting the upper body.INCLUDES ACCESS TO STABILITY BALL VIDEOS AND CONTENT.

2. HemingWeigh Exercise Anti-Burst Ball For Fitness Stability and Yoga, Includes Foot Pump (Red, 45cm) (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
Professional grade exercise balance ball, Includes foot pump so you can start right awayCan be used as a chair for students to improve focus and concentration, by forcing them to remain balanced while seated, helps them focus more in class, and be aware of what's going on around them

3. Wacces Anti-Burst Fitness Exercise Stability and Yoga Ball with Pump ( Purple - 65 CM ) (Click Link to Check Price on Amazon)
Editor's Rating : 8.8 out of 10
Helps relax muscles, remove tension and increase tone.Increases flexibility in abdominals, thighs and lower back.

4. Black Mountain Products Anti Burst Exercise Stability Ball with Pump, Black, 2000-Pound/65cm (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
Professional grade exercise balance ballBalance ball rated up to 2000 lbs

5. Exercise Ball, LuxFit Premium EXTRA THICK Yoga Ball '2 Year Warranty' - Swiss Ball Includes Foot Pump. Anti-Burst - Slip Resistant! 45cm, 55cm, 65cm, 75cm, 85cm Size Fitness Balls (Blue, 65cm) (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
GYM GRADE ANTI-BURST BALANCE BALL - The LuxFit Exercise Ball is extra thick to increase durability and avoid bursting. Workout BallINCLUDES EASY TO USE FOOT PUMP - Use the stability ball to Tone, sculpt and chisel your shoulders, arms, thighs hips, gluts, abs, and other muscles. Gym Ball