Overview Reviews Product Description Flexidisk for Vestibulator II is 20-1/4" diameter and has a 150 pound weight capacity. Product Videos Custom Field Product Reviews Write a Review Write a Review × Tumble Forms Tumble Forms Vestibulator, accessory, flexi-disc Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *