The Dragonfly Pure mat is a performance yoga mat without the addition of chemicals or the six most harmful phthalates. The additional length, 74", combined with the extra thickness, 1/4", provides a performance mat that will hold up to the most intense poses and yoga routines. The mat utilizes environmentally friendly materials without compromising performance. The Pure mat is extremely durable and long-lasting. For optimal performance, hand wash and use cleansing wipes between uses.