Click to expand Tap to zoom Fitness Ball Measurement Tape Save Liquid error (product-badge line 32): -Infinity% $19.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Simple guide to reduce confusion and prevent over/under inflating of fitness balls Measures fitness balls from 30 cm – 85 cm in diameter, tape is 142 cm (56”) long