Talk about

If we talk about the accepted classics that it has long established itself in this market, it is of course an indispensable spring block. This type of filling has been used for many decades and gives a probable guarantee for prolonged use. It is also worth saying that this sofa lends itself to repair in case of breakdown, some of the springs. But there are its disadvantages in it, this type of filling is not considered orthopedic and can negatively affect posture. As for the orthopedic type of filler, it is a polyurethane foam. This filler took confident positions in the furniture industry market and almost sixty percent of the market has been occupied with just such sofas. This material is famous not only for orthopedic qualities. Insects do not start in it either and it does not cause allergies.