Gaiam Sol Dry-Grip Yoga Mat for Hot Yoga and Heated Exercises EXTRA THICK YOGA MAT: Lightweight PVC backing, durable and extra-thick for additional cushioning CLOSED CELL CONSTRUCTION: Mat works to seal out germs, odor and bacteria. YOGA MAT: 68-Inch x 24-inch x 5mm Thick GREAT FOR HOT YOGA: Stay-dry top coat wicks away moisture for ultimate grip. Recommend storing your mat in a mat bag when not in use GREAT FOR HOT YOGA: Thick yoga mat provides a better grip the hotter you get - mat develops a stickiness when damp The mat may fade and become brittle and unusable if exposed to the sun for extended periods of time