Slumberland Brighton Mattress & Base - Firm Proudly made in Australia, the Slumberland Brighton mattress is hand-assembled with an integrated steel band to hold its layers secure and full foam box encasement for added side support and durability. Please note: The King Size Base is Split down the middle as this product is made up of 2 Single Extra Long Bases. Features The Slumberland Brighton Mattress offers a firm feel Individually tempered 5 zone pocket coil system European stretch knit fabric with yarns of viscose Select comfort quilting foam 10 year guarantee