Clonmel Platinum Mattress, perfect for having comfortable sleep on any bunk beds. The Platinum is an 18cm (7 inch) Medium-Firm Mattress that is specifically designed for use with the upper bunk of Bunk Beds due to height restrictions. A superior quality mattress with a low profile construction. Features: Clonmel Platinum Mattress Fabric: Quilted Damask Material: Low Profile Bonnell Metal Spring Unit Made Exclusively in the UK Low Profile 13. 5 Gauge Bonnell Spring Unit Rod Edge Supports 900 gsm Spring Insulator 500 gsm Polyester Filling Belgium Damask Quilted Cover Quilted Border Available at an affordable price Dimension: Depth: 190cm Width: 91. 5cm Height: 18cm