polywood dining chair 1.alu. frame,anti rust 2.polywood,plastic material 3.value for price polywood furniture A-Material: polywood with high quality Alumi frame 1) Frame:powder-coated, light, strong and rust-resistant aluminum Tube thickness : 1.2mm 1.5, 1.8mm Circle Diameter: 28, 25, 22, 19, 16mm or customized Square Diameter: 50*50, 40*40, 25*25, 20*20, 30*19, 15*15mm or customized 2) polywood, ...