The Liberty Eco from Silentnight is a fantastic mattress featuring 1400 individual pocket springs and environmentally friendly comfort layers that will keep you supported from head to toe throughout the night and allows natural airflow for a refreshing night\'s sleep. Featuring environmentally friendly comfort layers which allow natural airflow for a more invigorating and refreshing nights sleep. Single layer of 1400 pocket springs responds independentley to weight and delivered individual tailored support.  Eco Comfort Fibre - EcoComfort is scientifically proven to prevent you from overheating, they allow the mattress to breathe leaving your body at a comfortable temperature all year round, as overheating in bed can prevent you from having a great night\'s sleep. Hypo-Allergenic - Dust mites cannot survive on the product, allowing a healthy environment and peaceful sleep, which is ideal for Asthma and allergy sufferers. Side Stitching - Extends the sleeping area to the mattress edge by supporting the mattress walls. Luxury Soft Knit Quilted Cover - Quilted sleeping surface to provide soft cushioning and added comfort. Chemical Free Fire Retardancy Cover - Flame retardant cover without the use of any chemical treatments, providing a fresh and clean sleeping environment. 100% Recyclable - This mattress is 100% recyclable at the end of its life. Chrome Air Vents - Chrome finished vents to allow good air circulation, regulate temperature and keep the mattress fresh. Flag-stitched Handles - Handles on both sides for ease of positioning. Double Sided Regular Turn Mattress - Turn over and rotate your mattress once a week for the first 3 months and then once a month thereafter to help the fillings settle evenly. The mattress firmness rating is Firm but please note that this should be considered as a guide only. The firmness of your mattress is entirely a personal decision based on your comfort and support needs. 5 Year Guarantee Made in the UK Firm Mattress Dimensions: Single W: 90cm L: 190cm D: 32.5cm Small Double W: 120cm L: 190cm D: 32.5cm Double W: 135cm L: 190cm D: 32.5cm King W: 150cm L: 200cm D: 32.5cm Super King W: 180cm L: 200cm D: 32.5cm