Frankenmuth Woolen Mill’s Wool Mattress Topper adds approximately 2½ inches of wool-filled cushioning before compression, bringing a breathable natural layer between the sleeper and the mattress. Climate Beneficial™ wool is enclosed in certified organic cotton, hand-tied approximately every nine inches, and secured with elastic corner straps. The resilient wool fibers soften the surface while allowing heat and moisture to move through the bedding, making the topper especially useful when a good mattress feels firmer or warmer than one would like. “A mattress does not need to be discarded simply because it needs another degree of comfort. I like the old household instinct of improving what is already good. A wool topper changes the feel of the bed with one thoughtful layer, and it can be aired, cared for, and kept in service for years.”-Mrs. Mayfair Product Details Climate Beneficial™ wool filling Certified organic cotton cover Approximately 2½″ thick before compression Hand-tied approximately every 9 inches Elastic corner straps help secure the topper to the mattress Made in the USA Twin: 39″ × 76″; 4 lb wool Twin XL: 39″ × 80″; 4 lb wool Double: 54″ × 76″; 5 lb wool Queen: 60″ × 80″; 6 lb wool King: 76″ × 80″; 7 lb wool California King: 72″ × 84″; 7 lb wool Care & OwnershipHand wash in lukewarm or cold water with a mild wool-safe detergent. Do not agitate. Line dry or air dry completely; do not machine wash, tumble dry, or apply heat. For professional laundering, Frankenmuth Woolen Mill accepts its bedding back for expert care. Maker / HeritageFrankenmuth Woolen Mill has made wool bedding since 1894. Today the historic American mill still washes and air-dries its Climate Beneficial™ wool, cards it on century-old machinery, and finishes bedding by hand between layers of certified organic cotton. More than a century of practice is visible in the construction itself: natural fibers, hand-tied batting, and a process designed to keep useful bedding in service for years.