Crafted by experience built up over the years, our mattress toppers ensure a soft, gentle touch on your skin. Merino wool and cotton fibers keep you cool in the hot summer and warm in the cold winter. We want you to start your day with a restful sleep that has you feeling better than ever! Fabric : 100% Organic Cotton Filling: 40% Merino Wool, 60% Recycled Polyester Quilted: ✔ WoW wool mattress toppers are crafted to provide maximum comfort and coziness with an emphasis on ensuring a good night's sleep. These medium plush toppers are made from high-quality hypoallergenic wool blend and help regulate body temperature, providing an all-natural sleeping experience. Despite the material your mattress is made of, it will turn to a luxurious cloud-like bed, giving you a seamless sleep experience full of comfort.