Om is a sacred sound that is known generally as the sound of the universe. Om is all encompassing, the essence of ultimate reality, and unifies everything in the universe. Elevate your yoga practice with this beautiful albeit functional Cork Block. This Yoga Block provides the firmness and support that elevates your yoga practice, and the sustainable and ethical cork material is better than any rigid foam block. Cork is obtained from the bark of the Cork Oak, and no harmful chemicals are used in the manufacturing process.