Size & Color Options - This set includes: seat 22" W x 22" D x 3" T + back 22" W x 18.5" H (measure both before ordering). Shown in Red. Also available in multiple seat sizes (19", 22", 24") and colors (Dark Grey, Beige, Navy, Red) . Perfect for patio dining sets, garden chairs, or balcony seating—select your variant above. True 360° Waterproof - Unlike ordinary cushion sets that leak through zippers, our complete set (seat + back) features a triple waterproof system: waterproof fabric, water-repellent coating, and waterproof zipper. Sudden rain showers or spilled drinks never reach the inner foam. Leave your patio chairs worry-free—perfect for outdoor dining, garden seating, or balcony use that demands real waterproof protection. 3-Year Color Fastness - Our chair cushion set (seat + back) is made with solution-dyed fabric that locks in color through 1500+ hours of direct sun without fading. Your patio set stays beautifully blue season after season—so you can enjoy outdoor dining, garden gatherings, or morning coffee worry-free. Perfect for patio furniture, garden seating, or balcony sets. High-Resilience Foam - Our complete cushion set (seat + back) is crafted with a whole piece of 28D high-resilience foam that's made to endure. It offers the ideal balance of plush comfort and resilient support. Even with daily use, it rebounds completely every time—no permanent dents, no loss of thickness, no fading comfort. Perfect for patio dining sets, garden chairs, or balcony seating where lasting comfort matters most. Removable Cover & Anti-Slip Straps - Our cushion set (seat + back) features machine-washable removable covers—spills happen, but a quick wash brings them back to fresh. Each cushion has 2 non-slip straps that fasten tightly to your chair, keeping seat and back aligned and slip-free even when you shift. Perfect for patio dining sets, garden chairs, or balcony seating.