These yoga blocks are used by practitioners of Iyengar, Anusara, Ashtanga, Therapeutic and Power yoga. Used, among other things, to support the back in hollow back exercises or as a support under the hands. They are also widely used in physiotherapy as an aid. 
 Natural material - odorless - rounded edges and corners for ease of use - slightly springy yet sturdy - light in weight - non-slip Environmentally harvested - Cork is a 100% natural, recyclable and biodegradable material obtained through an environmentally friendly harvesting process. Harvested manually for longevity - No trees are cut to harvest cork, instead the bark is harvested by hand every 9 years. Cork oaks can live up to 300 years! Biodiversity support - About 6.6 million hectares of Mediterranean cork oak forest stretch over Portugal, Spain, Algeria, Morocco, Italy, Tunisia and France. These oak forests are one of the world's largest forests with a high level of biodiversity, the second highest after the Amazon rainforest. Maintenance: clean with a warm damp cloth.