Medium Firm is the level of support to the body, suitable for average to heavily weighted people. This is not a comfort rating.
Reflex Foam is the base foam often needed to support the body weight, made from polyurethane it is moulding and long lasting.
Mattress Depth 25 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