Material: Filling contains 100% hollowfibre. Properties: Anti-allergenic build with a soft-medium firmness. Care: Topper is machine washable. Comfortable: Improve your sleep quality with this cosy mattress topper! Size options: Choose from 5 sizes - see full details for guide. Mattress topper: Get your hands on an anti-allergy hollow fibre mattress topper. Anti-Allergy Hollowfibre Mattress Topper | Living Social | Living Social