Solid steel chains ensure stable and safe swinging. Sturdy and anti-rust steel for long-time use. PE rattan surface is high-quality and weather resistant. 2-seat design enhances communication with friends. 2 back cushions and 1 seat cushion offer extra comfort. Zippered design makes maintenance much easier. Can be hanged in multiple occasions with two strong steel chains. Please purchase extra chains if you want to hang the swing on the ceiling. Easy assembly with clear instructions and all hardwar. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. See www.P65Warnings.ca.gov.