Made from treaded pine lumber, the Traditional Mission Styling is hand made as the craftsmen pay great attention to each detail, this low maintenance Sturdy outdoor furniture is durable for all seasons Stainless steel hardware Includes a Lifetime limited warranty for residential use. Made in the USA, this  swing can be hung from 2 or 4 points  with Standard hanging chains, and additional  ropes. Mattress sold separately. Seat features slatted mattress supports and a mattress is recommended.