Extra Firm is the level of support to the body, suitable for extra heavily weighted people. This is not a comfort rating.
2000 Pocket Springs in a 5'. Each spring is encapsulated in fabric, body moulding, no roll together, quiet and perfect for side sleeping.
Mattress Depth 30 cm
One Sided mattress, no need to turn this mattress, but rotation is recommended.
Source 2 Domestic Flamability Rated Source 2 for Low Hazard, General Domestic use
Made In the U.K. This product is made in Britain