Experience body-contouring support that relieves pressure points across the body, promoting restful sleep. Benefit from a 13.5 open coil bonnell spring system for extended mattress life and optimal comfort. Enjoy a rejuvenating night's sleep with the Ultra Gen Memory Foam Hybrid Mattress. Choose a size that fits your standard UK bed base from the short single, small single, single, small double, double, king, and super king sizes. This memory foam mattress is hypoallergenic and dust mite resistant, making it ideal for allergy sufferers and those with asthma. This mattress is fully compliant with UK fire regulations (BS7177).