Made of high-quality EVA material, non-toxic, anti-corrosion, damp proof, and durable. Adopting a leather guard ring to prevent the swing from damaging, is soft, convenient, and comfortable. Fully assembled connected long 2/0 zinc-plated chains with yellow plastisol coating specifically designed not to pinch little fingers. Galvanized chain is coated with plastic, anti-corrosion, anti-rust and eco-friendly. Environmentally friendly and ASTM-certified. The chain had passed the tensile test, strong bearing capacity, safety, and reliability. Fun outdoors for kids, friends, and adults enjoy your new swing set accessory parts or replacement swing seat on their playground.