For a luxurious ultra-soft night's sleep, the Comfort Science 1300gsm Mattress Topper will add the perfect layer of heavenly comfort between you and your mattress. With a down alternative microfibre fill and soft cotton percale cover, you'll be resting in loft comfort for a refreshing sleep. Comfort Science 1300gsm Mattress Topper Made from a 1300gsm Down alternative microfibre fill (closest man made fibre to natural down) with a soft cotton percale cover. Ultra thick elastic straps firmly attach the topper to fit most mattress depths. The side gusset of this topper is 8cm. Single: 91cm W x 188cm L King Single: 107cm W x 203cm L Double: 137cm W x 188cm L Queen: 153cm W x 203cm L King: 183cm W x 203cm L Please note: This item is vacuum packed for ease of transportation, once home open, shake, fluff, sleep. Machine washable in warm water. Flat dry in a shaded area. Ensure product is fully dry before use. Spot clean any small stains with warm soapy water. Please ensure your washing machine/dryer can handle the cubic volume of this product before laundering.