Outdoor sun beach lounge: 1. The penthouse is pulldown and very convenient. 2. The lounger is commodious that u're searching. Outdoor sun beach loungeMaterial:1) Frame: Top grade aluminum frame with powder-coated, light, strong and resistant.--- The thickness of aluminum tube is 1.0, 1.2, 1.5mm.Diameter in circle: 28, 25, 22, 19, 16, 13, 10mm.Diameter in square: 50*50, 40*40, 30*30, 25*25, 19*19, ...