SPRINGING: Pocket springing made with 1,8 mm. gauge steel wire; side walls in 27 Kg/m3 CM foam. Padded each side with FR memory foam. COVER: Inner fabric 100% CO; FR outer fabric 56% PL – 44% CO, quilted with 100% PL FR fibre 200 g/m2 and non-woven support. The mattress complies with BS 7177 : 2011 for Medium Hazard.