... ,molded by cold foaming 3.Best price and servic Auditorium seat 3d chair design, MR866Music hall chair , Auditoria chair , Conference hall ... 270PCS/40HQSites Applicable: Music hall, Auditoria , Conference hall, thertreBack &seat sponge :high -density PU, molded by cold foamingBack ... & seat cover: premium deformation resistant high-density hard plywood, high ...