24" W x 68" L x 4 mm thick Made from biodegradable, renewable substances, the rubber yoga mat provides extra cushioning and stickiness for ultimate traction and comfort. Your yoga experience will heighten threefold with Gaiam"s environmentally friendly, biodegradable Eco Conscious Rubber Yoga Mat. This mat offers excellent traction and a hygenic surface as well as injury-reducing support that will give you mental stimulation as well as help with your physical well-being. Whatever your level of fitness and flexibility, this mat is great for your and the environment.