Introducing the Harrison Spinks Valiant Mattress and Enhancer. With layers of blended British wool and viscose, Yorkshire wool, British wool, crisp cooling cotton and Sustainable Ecotex. The Valiant Enhancer features 5000 HD Micro Springs, while the Valiant Support Mattress features 3000 Cortec Quad Revolution and HD Micro Springs. Both with an in-house woven FR chemical free mattress cover. The Valiant Support Mattress is turn free for your convenience while the Valiant Enhancer is Seasonal Turn with a Warm side for the colder months and a Cooler side for the warmer months. Every Harrison Spinks mattress and bed is built on a belief in doing things the rightway. At the heart of our approach is knowing that natural healthy sleep can only beachieved on a mattress thats handcrafted from natural, healthy materials. Were passionate about making beds in the most responsible way too. Its why we grownatural comfort fillings on our Yorkshire farm, weave our fabrics in-house and makeour own award-winning springs. Our unique approach to luxury bedmaking makes us different. Its why each and everyone we lovingly handcraft is proudly cut from a different cloth. Mattress Depth 30cm. Features:. *2 Rows of Side Stitching *Wool And Cotton Upholstery *Seasonal Enhancer- Turnable *Base Mattress- Non Turn, Rotate Only *MEDIUM Tension Only Available Sizes:. *75cm Small Single *90cm Single *120cm Small Double *135cm Double *150cm King *180cm Super King Important Information:. Please note that pocket sprung mattresses must not be used with a base for which they are not designed. Slats on a bed frame should be no less than 70mm apart, to ensure the mattress receives adequate support. Failure to use an adequate base could invalidate the warranty from the manufacturer. Please check with us for more details.