Luxurious Quality Temperature Control Mattress Topper with a Long lasting super soft spiral bounce back polyester hollowfibre filling. This Air Flow Mattress Topper has a unique 10cm mesh fabric around the edge allowing fresh air to ventilate the topper keeping the body cool and dry for a more comfortable night sleep. The elasticated corner straps will hold the topper firmly in place. Available in standard UK sizes. Fabric 85 GSM Microfibre - Filling: 1500gsm 0.9d Silicone Fibre Filling.