Seat & Back: Thickened reinforced injection molded polypropylene plastic, crack-resistant & durable Ergonomic curved contoured seat, uniform hip & thigh support for all-day comfortable sitting Fully rounded smooth edges, no sharp corners, safe for families with kids and the elderly This modern perforated plastic dining chair combines ventilated molded polypropylene seat-back and sturdy powder-sprayed iron tube legs for long-lasting indoor & outdoor use. The curved backrest is covered with dense round hollow holes to maximize airflow, keeping you cool on hot days and draining rainwater instantly for outdoor placement. The ergonomic curved seat perfectly fits human hips to relieve sitting fatigue. One-piece seamless plastic molding requires zero assembly out of the box. Thick iron legs with full matte spray coating deliver anti-rust, anti-scratch and stable load-bearing performance. The stackable lightweight design saves tons of storage space, while tiny rubber foot caps protect floors from scratches and sliding. Available in multiple soft matte color options, it matches minimalist, Scandinavian and modern decor for home dining rooms, balconies, bistros and commercial catering venues.