Long-lasting support: Benefit from a 13.5 gauge open coil bonnell spring system for extended mattress life and optimal comfort. Compliance: This mattress is fully compliant with UK fire regulations (BS7177). Perfect sleep: Enjoy a rejuvenating night's sleep with the Ultra Cool Blue Gel Memory Foam Hybrid Mattress. Pressure relief: Experience body-contouring support that relieves pressure points across the body, promoting restful sleep. Allergy-friendly: Hypo-allergenic and dust mite resistant, this memory foam mattress is ideal for allergy sufferers and those with asthma. Sizes: Choose a size that fits your standard UK bed base from short single, small single, single, small double, double, king, and super king sizes. Ultra Cool Memory Foam Hybrid Mattress | Living Social | Living Social