InterDesign iDry Microfiber Shower and Bath Mat for Bathroom Floor - Large, Bronze Patented technology uses mesh to disperse moisture to a layer of super absorbent Microfiber Terry while allowing air to circulate for a speedy dry. Hang to dry. Top: 100% Polyester; Bottom: 100% Microfiber; Non-Skid, No-Slip Backing Bronze coloring Machine Washable, Quick Drying Microfiber 18" x 24"