"DOUBLE MATTRESS: Measuring 4ft6 x 6ft3 (135cm x 190cm) and approximately 8 inches deep (20cm) featuring a 13.5 gauge European-engineered spring unit with insulated pads and layers of polyester comfort padding HAND-TUFTED MATTRESS: Expertly hand-tufted to keep materials securely in place, reducing sagging and shifting over time. This enhances durability and provides a consistently comfortable sleeping surface AIRFLOW BORDER: Designed with a stylish purple and white 3D ""AirFlow"" border, this feature enhances ventilation throughout the mattress, promoting better hygiene and greater comfort MADE IN THE UK: Proudly crafted in the UK with premium natural materials, this mattress meets British safety standards and complies with UK regulations BS7177:2008 for domestic use, certified by the National Bed Federation for quality assurance CONVENIENT DELIVERY: Vacuum-sealed, rolled, and securely boxed for easy handling. Delivered straight to your doorstep, it’s simple to transport to your desired room before unpacking and allowing it to expand"