Manduka eKO Lite Yoga and Pilates Mat, Opa, 4mm, 68" The comfortably cushioned 68" x 24 eKO Lite Yoga Mat has a natural rubber grip that catches you if you start to slip. With its eco-friendly construction, this biodegradable, non-Amazon harvested natural tree rubber mat supports both your practice and our planet. Made without non-toxic foaming agents and non-AZO dyes. All post-industrial scrap is thoughtfully collected and utilized in the production of other materials creating a zero waste manufacturing process.