A Good Camp Chair Should....?

There are many kinds of outdoor chairs:
    A. steel feet, made of steel plate or steel stamping and welding and bending, the feet of the chair with shape, very high and varied styles of simple modern style, the steel structure surface by pickling phosphating spray, appearance quality and anticorrosion ability increased.
    B. cast iron feet, mostly gray cast iron manufacturing, there are also some malleable cast iron (upgrade product of white cast iron), stable and generous, durable, multi style European style, now with modern elements. Products are more fashionable, the most commonly used for such products, outdoor anti-corrosion rust resistant ability is very strong.
    C. aluminum feet, precision casting and permanent mold casting process, the product of delicate and beautiful appearance, not only lose iron feet steady, and has a steel foot light concise, but because of the high prices, the public rarely see traces of it.
    D. marble feet, special chair legs, large volume, made of marble or granite (a granite) processing, weathering resistance, corrosion resistance, suitable for outdoor use year-round.