Enjoy the wellness and natural hypoallergenic 233 Thread Count, cotton blended with the less prone to wrinkles properties from the Tencel Fabric that’s Perfect for Sensitive Skin. 500 Fill power, 90% White Feather Fiber, 10% White Down Fiber-all the great properties of a luxury comforter at a fraction of the cost.. No matter how much you toss and turn, the Elasticized anchor bands in each corner will affix on your mattress preventing your topper from slipping.. Beautyrest BeautyRest Tencel/cotton blend 90/10 Feather/Down Fiber Twin Mattress Topper | BR709311