Fitness Sun Total Body Balance & Exercise Ball Gym Kit - Anti-Burst 550lb load capacity Balance ball workout kit with large exercise ball with 550lb load capacity Exercises abs, back, gluts, hips, arms, and other muscles Comes with fitness guide workout instruction sheet, air pump, and a high-quality, anti-burst Balance Ball Available in small (55 cm) and medium (65 cm) and Large (75 cm) balls Comes with 2 Year Warranty - Made by Unique Imports - Fitness Sun TM.