Silentnight Mia 1000 Pocket Mattress in Small Double, Double, King and Super King Sizes - includes Express Delivery Comfort Fibre™ Layer Breathable fibres provide a refreshing sleep that doesn’t cost the earth. The highly breathable filling stops you getting hot at night. Zoned Mirapocket® support 1000 individual, responsive pocket springs conform to your body for tailored support. Each spring adjusts to your movements and acts independently, so when you move in the night your partner won’t feel it. Say goodbye to aches and pains Silentnight’s zoned support system is scientifically proven to improve your spinal alignment, so you can say goodbye to aches and pains. Medium firmness rating Medium comfort rating which is the Goldilocks of firmness ratings. Not too soft, not too firm - a safe shout for you side sleepers. Quilted sleep surface Perfect for sleepers who prefer a smoother sleep surface Single sided Rotate from head to toe regularly to get the most out of your mattress. Silentnight Guarantee You can sleep peacefully knowing this mattress comes with a 5 year Silentnight guarantee. See the Silentnight brand store for more information. Express Delivery* Get this mattress in 40 winks with Express Delivery Service (*this service is not available in some areas; see below for excluded postcodes) Please note: the headboard pictured is not included, but is available separately (see item number 393QG). Dimensions: Mattress depth: 24 cm Lengths: Small Double / Double 190 cm; King/Super king 200 cm Widths: Small Double 120cm; Double 135 cm; King 150 cm; Super king 180 cm Buy and Save: N Firmness: Medium Extended lead time on the following postcodes; AB, DD1-11, FK18-21, IV40 - 63, KA27-28, KW1-17, PA41-49, PA60-78, PA80, PH1-50, TR21-25 Delivery not available to the following postcodes; BT, GY1-10, HS1-9, IM, JE, ZE, EIRE