- The backrest is fixed to the frame with stainless steel rivets. These rivets reduce risk of corrosion, rust and deterioration due to weather conditions.
- Sheet grooves in compliance with international safety regulations.
- Moulded seat and backrest in pre hot-zinced sheet shaped to improve the comfort of the seat. Extreme resistance to weather conditions.
- C/639 polyester cushion with snap-fit clip fastening to the seat grooves.
- C/640 and C/641 acrylic cushions with rubber band fastening.