... 4.Fire proof foam,fabric The specifications of our auditorium chair: 1. Outer cover: plastic shell (poly propylene,injection ... USA standard CA117, UK standard BS5852,BS7176. Chair dimensions:(1) chair arm center to arm center distance:560-590mm( ... ,college,hospital,hotel,theater,theatre,cinema,conference hall, concert hall,music hall,church,lecture hall, Amphitheater, amphitheatre, stadium, Arena ...