Anchor Support Foam Extra Firm mattress is designed for adults seeking super firm orthopaedic support. Its 20cm core of high-density reflex foam (foam grade 40/300) provides superior resilience, even weight distribution, and optimal spinal alignment, making it ideal for those who prefer a very firm, supportive sleeping surface. The mattress comes with a quilted zip-off cover that adds extra comfort while remaining removable for easy cleaning and hygiene. Its all-foam construction is completely silent, offering undisturbed sleep without the noise of springs or coils. Manufactured in the UK to the highest standards, the mattress is durable, supportive, and practical. Its 20cm depth fits most bed frames, divans, and bases, making it suitable for adult bedrooms, guest rooms, or premium sleep setups requiring maximum firmness and orthopaedic support. - Rest Relax Visco Therapy Anchor 20cm Extra Firm Foam Mattress Maximum Support in White - Size: Single