Stiff Fitness MatThe Stiff Mat provides a portable, firm, non slip exercise floor for practicing yoga anywhere such as over carpet, outside where it may be a problem to maintain stability on a bumpy surface, or even around a wet area such as a swimming pool surround. Place the Stiff Mat on just about any surface, (it does have some traction qualities on its own, however you may find it best to cover with your own yoga mat to practice on a more stable surface). The