The Bedmaster Neptune Super King Mattress features a 13.5g coil sprung design, with an abundance of polyester and satin pads for added comfort. The mattress is finished with a damask fabric, micro quilted panels, and a vertical border design with air vents for enhanced breathability. This mattress combines both style and comfort, with separate springs arranged in lines and interlinked with helical wire, as well as a rod edge support for added durability. It is recommended to turn and rotate the mattress regularly to maintain its quality. With a depth of 25cm, this mattress provides a comfortable and supportive sleep surface.