The Amber Eco Mattress from Silentnight features the innovative Miracoil Spring System which distributes your weight evenly across the entire mattress, helping to eliminate roll-together. The breathable Eco Comfort layer allows maximum airflow whilst offering support to leave you feeling refreshed and ready for the day ahead. Eco Comfort Fibres - Featuring environmentally friendly comfort layers which allow natural airflow for a more invigorating and refreshing nights sleep. Miracoil - The unique zoned Miracoil 782 springs provide no roll together for less partner disturbance and zoned support where you need it most. Chemical Treatment Free - Flame retardent without the use of any chemical treatments providing a fresh and clean sleeping environment. Zoned Support - Enjoy head-to-toe zonal support to provide total spinal and body support. The mattress is firmer in areas where greater support is needed, such as the lumber region and softer in other areas, surrounding the hips and shoulders. Pillowtop - A Pillowtop refers to a type of mattress that is made with extra layers and cushioning to increase softness and comfort, as if the mattress were topped with a pillow. Breathable - This allows air to flow through the mattress which takes away moisture that can lead to unpleasant odours and mattress degradation if air isn\'t allowed to circulate. A mattress which is breathable will also help to keep you cool. Quilted Cover and Borders - A more contemporary method of securing the mattress fillings, where the top and side comfort layers are quilted together providing a smoother looking sleeping surface. 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. Single Sided Mattress - No Turning Required Firm Mattress 5 Year Guarantee Made in the UK Dimensions - Single W: 90cm L: 190cm D: 29cmSmall Double W: 120cm L: 190cm D: 29cmDouble W: 135cm L: 190cm D: 29cmKing W: 150cm L: 200cm D: 29cmSuper King W: 180cm L: 200cm D: 29cm