Make an ethical choice for your yoga practice.At the heart of this yoga mat is a traditional cooling grass that is native to India Sambu Straws. It is completely biodegradable and is known for its sweat-absorption properties, which make you feel more comfortable during your yoga session. The cotton yarns on its surface are woven to hold the straws together, for better grip.Yoga sessions on Isha Lifes Sambu Straws mat are naturally pleasant and comfortable. Whats more, the mat is rubberized at the base for strong grip and stability during your most challenging asanas.