Galvanized steel pipes. Self lubricating hangers. Black cut proof seats. 4/0 galvanized welded chain. Two seats. 3.5 in. top rail. 12 feet W x 8 feet H (591 lbs.). This product must be used as intended and with adult supervision. ShopLadder acts only as a sales agent for this product's manufacturer, and as such, had no involvement in its design or production, or instructions for use. Limited Lifetime Warranty on all steel support posts and aluminum clamps. Limited 15-year warranty on main support materials and decks. Limited 10-year warranty on all plastic components. Limited Three-year warranty on all Fun Center polyethylene and plastic components. Limited One year warranty on all other products not listed above.