Silentnight Penny Eco 1200 Pocket Mattress - available in Double, King and Super King Sizes - Express Delivery Available Introducing Silentnight’s luxury Eco mattress awarded the Good Housekeeping Getting Greener award for 2021. Featuring their advanced Mirapocket® spring system, designed to offer incredible tailored comfort and support. The mattress contains individually responsive pocket springs that are held under tension in their own fabric pockets, providing targeted zoning across the surface, scientifically proven to provide superior spinal alignment and body support for tailored comfort where you need it most. This mattress is hand tufted for enhanced durability and great back support. Featuring Eco Comfort Fibre™ layers, chosen for additional comfort without compromising the planet - as it’s made using recycled plastic bottles - which also allows airflow for a more breathable environment as you sleep. Complete with Allergy UK approved treatment designed to reduce moisture and dustmite allergens for a drier, fresher and healthier mattress. This mattress is double sided and should be flipped regularly for extra longevity. Medium Firm comfort ideal for all sleeper types. Comes with our Silentnight 5 Year Guarantee, for your peace of mind. 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) Widths: Single 90; Double 135; King 150 cm Lengths: Single/Double 190; King 200 cm Mattress depth 28.5 cm Buy and Save: N 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