Hybrid Support for Restful Sleep Combines adaptive springs with plush foam layers to create a soft-to-medium feel that supports natural body alignment. Breathable, Cooling Surface Features an advanced sleep fabric that enhances airflow, helping to maintain a comfortable temperature all night. Compact 18cm Profile Perfect for smaller beds, bunk beds, guest rooms, or apartments, providing consistent comfort without taking up too much space. Proudly Handmade in the UK Expertly crafted in Yorkshire to meet UK fire safety standards, ensuring durability and high-quality construction. Convenient, Ready-to-Use Delivery Arrives vacuum-sealed, rolled, and boxed for easy transport; expands to full size within hours of unpacking. - eXtreme Comfort Ltd Diamond Memory Foam & Spring Hybrid Mattress Breathable Cooling in White - Size: Small Single