Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you! Our products are made of high-quality stainless steel, with good load-bearing, waterproof, and corrosion-resistant, providing you with a more stable, smoother and safer suspension, and more assured use. Our product includes a chain and two carabiner buckles. The length of the chain is about 49 cm and the thickness is about 0.4 cm. The length of the carabiner is about 8 cm and the thickness is about 0.7 cm. The maximum load is 0.5 tons, which is very safe. Our product comes with two carabiner buckles, which is very convenient to use. The chain link with two hooks and loops can be freely adjusted in length according to your personal needs. It only takes a few seconds to install. Our products can be used indoors and outdoors, and the good load-bearing capacity is very suitable for hanging any heavy objects on the roof or strong tree trunks. This is the most practical tool for you to accompany your family during holidays. Our products are suitable for hanging swing chairs, hammock chairs, sandbags, chandeliers, hanging plants, baskets or aerial yoga.