The Master's Craft Fiber Hush Pad Underlayment (Model #1584) covers 100 sq. ft. per roll, measuring 3 ft. wide x 33 ft. long x 3mm thick. Designed for use under laminate and engineered wood floating floors, this fiber-based pad helps reduce sound transmission and adds a layer of cushioning. Item is in like-new condition and in original box with no damage or missing components.