Milano Blu Mattress Hybrid Memory Foam Bonnell Spring Design Medium Firm 23cm - King Single - White BlueUnwind and experience a rejuvenating nights' sleep with the Blu Mattress, designed by Milano! The hybrid memory foam and innerspring design of the mattress provides both pressure relief and support. The upper foam layers have been designed to adjust to the body and provide a customised and relaxing sleep surface while also helping to. This allows for natural ventilation and prevents heat retention for that ideal sleep environment. The lower bonnell