Using this U - shaped outdoor sofa set is easy. Just arrange it according to your outdoor space and start enjoying your time with friends or family. When assembling, make sure to follow the instructions carefully and use the labeled hardware. As for maintenance, clean the aluminum frames with a mild soap and water solution regularly to keep them looking good. Avoid leaving the cushions out in heavy rain for a long time; you can bring them indoors when bad weather is coming. Also, don't place sharp objects on the sofa to prevent damage to the cushions and frames.