16cm Mattress Giselle Bonnell Spring King SingleExperience the perfect balance of comfort and support with the Giselle Bedding Serena Series Tight Top Mattress. At 16cm thick, this mattress features a Tight Top design that provides a firm, even surface ideal for a restful night's sleep. Its medium firm support caters to a wide range of sleepers, ensuring proper spinal alignment and reduced pressure points. The mattress is covered in 150g knitted fabric for a soft and breathable sleeping surface,