This cushion has a good waterproof and fade-resistant ability, and it also stands out in terms of design: high resilience foam, concealed weave, locating thread, adjustable straps, hidden zippers; easy to clean and good maintenance, wide range of applications, and indoor and outdoor can be used. Dual-layer waterproof: polyester olefin fabric and full inner TPU coating are paired to provide excellent waterproofing, stain and color fade resistance. Good resilience: made of one block of powder-free 24D high resilience foam, which can bounce back within seconds after sitting for a long time. Sewing method: the cushion seams are knitted with concealed threads, which is beautiful and practical; the backrest is sewn with positioning lines, which is effective in shifting and piling up of the fillings. Dimensions: