Our Outdoor Chair Cushion Covers set of 6 adopt 300 GSM High Density polyester fabric the high temperature coloring process can keep color fastness. Two straps and the bottom a non-slip matter are designed to secure the cushion to the furniture. Designed with hidden zipper and double layer protection waterproof cover,all-round waterproof to keep rain out and protect the inside foam. Also, these chair cushion covers for outdoor furniture are super easy to maintain and clean, spot clean with damp cloth,then hang them to dry. Use our covers to give your current furniture new life at a budget-friendly price, potentially saving you hundreds or thousands of dollars. We truly believe a great product is the key to satisfying our customers, and we stand by 100%.