Willow Highlands NEW KING SIZE DOWN MATTRESS TOPPER PAD-Feather Bed Willow Highlands, 78" x 80" x 2" Standard King Size Down Pillow Top Mattress Pad. The 2" mattress pad sidewalls mean that when you place it on your existing mattress, you will experience the ultimate in comfort. This mattress is also great for rejuvinating an older bed's mattress, or increasing the comfort of a sofa bed. The mattress pad is filled with a full 15 pounds of 5% Down, 95% Small Feather fill. This fill combination is the optimum combination for comfort. Flexible elastic side skirt for a smooth and snug fit on a mattress up to 15" thick. The side skirt makes this mattress pad extremely easy to install.