Perfect Comfort and Support: Our outdoor chair cushions set of 4 pieces measure 19" x 19" x 2", offering a perfect fit for most patio and lawn chairs. Filled with 28D high resilience foam, they provide excellent elasticity and support, relieving pressure on your lower back, hips, and sciatic nerve, making them ideal for extended use. Enhanced Waterproof Performance: Made from 250GSM polyester fabric with a double-layer waterproof coating, these patio chair cushions block water from reaching the sponge core, keeping it clean and dry even in harsh outdoor weather. This ensures long-lasting durability, making them the perfect all-weather patio furniture cushions for various outdoor settings. Fade-Resistant Design: Our outdoor couch cushion replacement are treated with advanced fade-resistant technology, ensuring vibrant colors remain rich and vibrant for up to 3 years. The high-quality polyester fabric with coating is designed to resist fading from direct sunlight, rain, and outdoor conditions, maintaining its aesthetic appeal over time.