Because they spend most of their time on the floor, exercise mats are rarely cleaned as often as they should be -- when is the last time you gave yours more than just a good shake on the back step? It's probably due for a scrub!

Lightly soiled
Make a solution of four drops of dish soap to two cups of water and wash dirty areas with a spray bottle, cloth, or sponge. Rinse with plain water and air dry.

Heavily soiled
Submerge the mat in warm water with just a touch of mild detergent (using too much could leave the mat slippery and dangerous in the future). Hand wash, rinse in plain water, and hang to air dry. If squeezing doesn't get enough water out of the mat, try rolling it up with a towel and stepping on it before separating the two and hanging the mat to dry.