Make even the hardest most unforgiving mattress a luxuriously comfortable place to sleep popping on top of your mattress in seconds and staying firmly in place with elasticated straps this deep filled topper is a fantastic way to raise comfort levels to heights you could only previously dream ofthe mattress topper feels like the softest goose down but it is actually filled with a 300g hollowfibre thats not only beautifully soft but also non allergenic providing a hygienic barrier to dust