The konjac sponge company presents the 100 pure running man sports sponge a naturally sustainable cleanser perfect for after a workout delicately handmade purely from moisture rich konjac plant fibres and volcanic water it helps revive tired and aching muscles and keeps skin feeling supple the innovative biodegradable sponge has a unique net like structure that turns silky soft when wet and works to deeply cleanse and gently exfoliate getting rid of sweat and dirt whilst stimulating blood