The specifications of our cinema seatAK-300 : 1. Outer cover: plastic shell (poly propylene,injection molded): Absorb sound;anti-aging; anti-impact;anti-UV; anti-fading. 2. Outer upholstery: Fabric,PU leather,Artificial leather or Real leather: Anti-abrasion; dirty proof; water proof; fire proof; anti-static. we have Chinese fabrics and European fabrics for client's choice. 3. Chair armrest: Plastic armrest with integrated big cupholder for popcorn. Active armrest can fold up and down. 4.Chair leg is made of cold-rolled 2.5mm thick steel tube with powder coating: anti rust.Chair leg can be floor mounted or wall mounted(riser mounted). If fixed leg, the chair would be fixed on floor by 4 pcs of strong screws.If moveable leg, chair can be moved with wheels. 5. Inner material: Molded PU(polyurethane) foam and the foam density is: Seat foam: 55kgs/m3; backrest foam:45kgs/m3. If extra required, chair PU foam can be made super soft with comfortable feeling yet durabel. 6. Inner structure: Metal frame or strong plywood. 7. Chair seat fold-up mechanism: seat tips up by metal spring or by gravity. 8. Rocking back can be pushed and reclinned. 9. Optional accessaries:aisle light, numbering for seat and row. 10. Fire retardant for chair fabric and foam: USA standard CA117, UK standard BS5852,BS7176. 11. Chair dimensions: (1) chair arm center to arm center distance:610mm. (2) chair arm width:80-120mm (3) chair seat height:460mm (4) chair backrest height:1100mm (5) chair armrest height:620mm (6) chair depth from backrest to seat(when opens):810mm (7)chair depth from backrest to chair armrest:620mm 12. Options: (1) plastic armrestcan be upholstery with fabric. (2) chair seat can be fixed there. (3) numbering for seat and row. (4) Fire proof for chair fabric and foam. 13. Warranty: We have 5-year warranty for our chairs. 14. Applicable sites: Government,school,university,college,hospital,hotel,theater,theatre,cinema,conference hall, concert hall,music hall,church,lecture hall, Amphitheater, amphitheatre, stadium, Arena,