Lifetime folding chairs are made of thermoset plastic and strong steel metal thereby giving you the durability strength of the chairs, they known tybe 5 years warranty. This product comes in 4 seat in a carton and each seat cost 35, 000, that is one carton is 140, 000 depending on your budget you can get a chair from the carton as retail or you can get a set of four chairs in carton so whatever your your budget we can fit in to what your pocket is convenient with. Lifetime folding chairs are very light weight and are easy to carry around. they are a very good fit for hallways, events, church gatherings and private rooms they are very comfortable when sat upon and can be convenient for your body posture. The product is tested and trusted and it is guaranteed to give you the quality you paid for. Thanks so much