Polyester [13-PIECE SET] This set includes 12 dining chairs and 1 rectangular extendable table. This set is ideal for both indoors and outdoors and will make your home ready to enjoy with family and friends. [FREE Maintenance Kit] This product includes our Amazonia Maintenance Kit for FREE. You will get a wood cleaner, Brush, Gloves, Sponge, Emery Paper, Paint Brush, Cotton Cloth, and wood Sealer Oil. [EXTENDABLE TABLE] Enjoy the flexibility of an extendable table on your outdoor dining set! Each Leaf has 19.75" more of length. You can easily extend your new table from 70" to 118". [LEVELING LEGS TABLE] It provides the flexibility to adjust the height of the table to accommodate their specific needs. [FULLY ASSEMBLED CHAIRS] No Assembly Required for the chairs. Some assembly required for the table.