Manduka EKO Yoga and Pilates Mat Standard: 7.0 lbs; 71 x 26; 5 mm thick Long: 8.0 lbs; 79 x 26; 5 mm thick Developed by yoga teachers over 4 years. Most durable natural rubber yoga mat on the market. No PVC or harmful plasticizers. Made from biodegradable, non-Amazon harvested, natural tree rubber with non-toxic foaming agents and non-AZO dyes. 99% latex free. All post-industrial scrap is thoughtfully collected and utilized in the production of other materials creating a zero waste manufacturing process.