Made from HDPE( High density polyethylene), Anti UV, fireproof, durable. Perfect for any stadium, outdoor or indoor 1. Made from HDPE( High density polyethylene),2. Hollow molded with full backrest3.color is optional4.Comfortable and durableSeat depth:525mm, height: 395mm, center to center distance: 480mmAnti-UV , fire-proof full backrest durable plastic seats for stadium