The specifications of our church seat AK-6045 : 1. Outer cover: chair seat and back are completely upholstery withFabric. If extra required, fabric upholstery can be replaced by the 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. 2. Chair armrest: Plastic or wood (beech wood,oak wood,Walnut wood.....solid wood). If not required, chair armrest can be cancelled. 3.Chair leg is made of cold-rolled 2.5mm thick steel tube with powder coating: anti rust. Chair leg can be fixed or movable. 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. 4. Inner material: Molded PU(polyurethane) foam and the foam density is: Seat foam: 55kgs/m3; backrest foam:45kgs/m3. 5. Inner structure: Metal frame or strong plywood. 6. Chair seat fold-up mechanism: seat tips up by metal spring or by gravity. 7. Optional accessaries: anti-panic retractable writing table on arm; Foldable writing pad at the rear of chair back;Other options including bookrack andnumbering for seat and row. 8. Fire retardant for chair fabric and foam: USA standard CA117, UK standard BS5852,BS7176. 9. Chair dimensions: (1) chair arm center to arm center distance:510-520mm. (2) chair arm width:60mm (3) chair seat height:420mm (4) chair backrest height:915mm (5) chair armrest height:650mm (6) chair depth from backrest to seat(when opens):710mm (7) chair depth from backrest to chair armrest:485mm 10. Options: (1) chair can be fixed or movable. (2) chair armrest can be cancelled if not required. (3) chair seat can be fixed there. 11. Warranty: We have 5-year warranty for our chairs. 12. Applicable sites: Government,school,university,college,hospital,hotel,theater,theatre,cinema,conference hall, concert hall,music hall,church,lecture hall, Amphitheater, amphitheatre, stadium, Arena, 13. Detailed photos of our auditorium chair AK-6045: