Chair 1)manufacturer 2)certificate:ANSI BIFMA 5.1:2002 3)support 1100 lbs 4)polycarbonate resin Chairmade of polycarobate, good resin,no paint no chip pasSGS test:ANSI/BIFMAX5.1-2002 Clear wedding resin chiavari chair 1.pass ANSI/BIFMAX5.1-2002 conducted by SGS2.Material: Polycarbonate,good resin materail, UV stable and anti-aging;nopainting,no chip and very popular in weddings and events. 3. ...