This hybrid mattress is constructed of 9 layers of solid mattress materials, including 220g knitted jacquard cover, 2cm thick high-density foam, ultra-durable Bonnell springs and more. This cosy mattress is medium soft, which relieves body pressure and extends your sweet dream time. It is finished in skin-friendly knitted fabric for good breathability, which can draw heat away from your body and keep you cool and dry all night. A must-have and dependable sleeping companion for people of all ages. Supportive yet Soft: Above the Bonnell springs, there are 6 main comfort layers to effectively relieve body pressure, including knitted jacquard cover, polyester batting layer, 2cm thick high-density foam layer, non-woven fabric layer and two layers of 600g polyester felt. All of these soft-to-touch and healthy materials work together to ensure your restful night’s sleep free of discomfort. Balanced Mattress Firmness: This cosy mattress is medium soft, which prevents muscle discomfort and extends your sweet dream time. Finished in skin-friendly knitted fabric for good breathability, it can draw heat away from your body and keep you cool and dry all night. A must-have and dependable sleeping companion for people of all ages. Proven Vacuum Packaging: Our mattress package applies a proven vacuum compression technology to protect your order from possible shipment damages. Even better, you can have 90% of the mattress size spring back within 2 hours after opening the package. In 3-4 hours, you can have the comfortable mattress fully ready for use. Considerate Details: With years of experience in bed mattress manufacturing, we pay close attention to every detail to ensure safe and comfortable use. The four sides are stuffed with 5mm thick high-density foam for added comfort, and the rounded corners prevent you from accidental bumping. Healthy Sleep Environment: This spring mattress complies with major industrial standards, i.e. BS 7177:2008. Rest assured, your orders are free from harmful substances to respect your health and safety.