100% MICRO POLY TICKING WITH POLYESTER FILL IS QUILTED ALL AROUND. THIS IS A GREAT WAY TO PROTECT YOUR MATTRESS & ADD COMFORT AT THE SAME TIME. THIS FABRIC IS STRETCHABLE & FITS MATTRESSES AS HIGH AS 15". DESIGNED TO KEEP YOUR MATTRESS FREE FROM ODORS, SPILLS, MOISTURE, & STAINS. MACHINE WASHABLE.