Summerby Sleep Three Zone King Mattress Memory Foam & Coil Spring Hybrid Mattress, (150cm x 200cm), Comfy & Affordable,…

STURDY BASE: The structure of tempered steel coil springs is a traditional base which provides consistent comfort night after night. Helping you to maintain a healthy sleeping position, the spring base gives you postural and orthopaedic support to reduce bodily aches and pains.