Regardless of what type of mattress you are sleeping on a handcrafted wool duvet from Natural Felt can improve your sleeping experience Our duvets are made exclusively using EcoValley wool and are soft as a cloud EcoValley wool is processed by Natural Felt We create the batts of wool by blending wool from different sheep breeds They visit each wool grower to assure that the wool comes from healthy sheep raised sustainably on managed lands Paid a premium for the best fleeces of their flocks from the collaborating growers the fleece is cleaned and carded which produces the finest known woolen batting Features. Heavy Weight Wool Comforter. Our EcoValley wool comforters are handcrafted and tufted in a GOTS certified 100 organic cotton fabric shell. Duvet covers are recommended. Do not machine wash. Spot clean or dry clean onlySpecifications. Bed Size Twin XL Size. Weight 8 lbs