Brook + Wilde King Sized (Soft Firmness) Premium Quality Memory Foam Pocket Sprung Mattress. 6 Layers Of Luxury Perfectly Crafted For A Deep & Restful Sleep. 28cm Deep - 2,416 Springs. Designed & Made In The UK. Best In Class Bed-In-A-Box. Precision Engineered With A Unique Design To Encourage Back Support & Spinal Alignment With A Cooling Memory Foam Top Layer. Finished With An Elegant, Breathable, Soft & Sumptuous Cover. 10 Year Guarantee With A 100 Night Comfort Trial.