GUARANTEED to be the Highest Standard Material on the Market Today Great alternative to the typical round ball. Very helpful to support me during planks/push-ups ANTI-BURST TESTED to 2000 lbs able to stand up to the most rigorous workout conditions. This ball will not burst if punctured, it will slowly deflate SIZE: 45X90 CMS The peanut ball has a unique, saddle-shaped, a seat that provides increased stability, as it will only roll in one direction