The outdoor chairs are made of powder-coated sturdy steel frame and weatherproof solid thick rope, perfect for balconies, patios, apartments, gardens, beaches and more. No assembly required, easy to use, easy to maintain, and can be cleaned with a damp cloth. Environmental Protection. This can be used 24/7. Dear customer, if the product you received has any problem, please contact us, we will help you solve the problem as soon as possible. Customers are our God.