One of our thickest mats is made using a ribbed, closed-cell foam structure that resists moisture from sweat or spilled water bottles, and wipes clean with a cloth. Thick enough to provide a cushion for floor based exercises, but roll or fold flat for easy storage when they are not needed. Two reinforced rings for hanging out of the way when not in use. Also available in a regular option. Racks available. Features:Available in 3/8 or 5/8" thick. 23" wide and 56" or 72" long. 19.5" space between grommets, fits all our hanging mat racks. Thick sponge-like feel that provides support for any floor exercise. Rolls up easily for storage. All mats are moisture- and odor-resistant and designed for long life.Two reinforced rings for hanging. Jet Black or Ocean Blue.