Sturdy Construction & Premium Rattan: Made of a powder coated steel frame with non-slip foot pads on the bottom, this patio sofa set ensures strong stability and sturdiness. In addition, premium rattan features high toughness and wear-resistance, which is strong to withstand all weather variations for long-lasting use. Comfy Cushion with Removable Cover: This rattan sofa set comes with thick and soft sponge padded cushions, which can offer you a super comfortable sitting experience. And the cushion covers are equipped with smooth zippers for easy replacement and clean. Moreover, the cushion of ottoman is designed with ropes for better fixation.