The Logan & Mason Pillowtop Mattress Topper is a great way to rejuvenate your mattress, giving you a better nights sleep. 110GSM fill together with a walled cassette construction means that the generous pillowtop fill is compartmentalised to maximise loft and distribute warmth evenly. For allergy sensitive sleepers the Logan & Mason Pillowtop Mattress Topper offers peace of mind as it is anti-microbial, bacteria resistant and dust mite resistant. It offers a 300 thread count, beautifully piped 100% cotton japara cover and fully fitted walls to suit any mattress depth.