A Revolutionary Innovation in Grip + Performance.. Bring the heat. Lose the towel. No matter how much you sweat, The Manduka GRP delivers supreme traction with no slip.. From the leather-like surface to the charcoal-infused rubber core, this is our most innovative mat to date.. 4.4lbs (2kg), 26\" x 71\", 4mm thick.. Innovative upper layer provides proven anti-slip control in all sweat conditions.. Charcoal-infused natural rubber core absorbs sweat to eliminate odor.. 100% open airflow filters moisture immediately for the ultimate toweless experience.. Info & Care -. For regular maintenance, use the Everyday Yoga Mat Cleanser. Pump foam onto a clean sponge or cloth, apply pressure and wipe down entire surface of your mat. Rinse sponge thoroughly and wipe down mat with fresh water. With a dry cloth, soak up any excess water and hang to dry before rolling and storing the mat.. For a complete refresh, use the Deep Cleaner. Fill cleanser cap to the 10ml line and add to 1 gallon of water in a bathtub. Soak mat 5-10 minutes in solution, periodically moving mat around. Rinse mat thoroughly with fresh water, squeeze out excess water and hang to dry for 24 hours.. Sustainability -. The GRP’s core and bottom layer are made with sustainably harvested natural tree rubber. Manufactured in a sustainable factory in Spain to ensure no toxic emissions are released into the atmosphere, the GRP is good for the planet and your practice.