Since wool is the most breathable of all bedding materials, your body will love sleeping on top of an organic wool mattress topper. If you have a synthetic mattress, creating a natural sleeping surface is the best thing you can do for your body. Holy Lamb Organics hand crafts their organic wool toppers using Premium Eco-Wool batting tufted between 2 layers of organic cotton fabric. Designed to lay flat on top of the mattress without shifting. The Holy Lamb Organics Quilted Wool Deep Sleep Mattress Topper is the perfect choice for adding just a little more softness to your mattress, but not the full loft of The Ultimate Wool Topper. Hand tufted. Spot Clean Only. Twin: 38x75, 5.6 pounds; XL Twin: 38 x80, 6 pounds; Full: 54 x75, 7.9pounds; Queen: 60x80, 9.3pounds; King: 76x80, 11.8 pounds; CA King: 72x84, 11.8 pounds.