Manduka eKO Long Yoga Mat 99% latex free, and safe to use for most people with latex sensitivities Made from natural rubber harvested under regulations and not from the Amazon rainforest Mat is biodegradable if left uncovered and exposed to air and sunlight Free of oil-based products, toxic materials, foaming agents, and plasticizers Patented manufacturing process is latex-free and non-allergenic Measures 85 by 26 inches (L x W) and 5mm thick