OLEFIN FABRIC - Sundale Outdoor cushion covers adopt water-resistant, non-fading olefin fabric. This high-quality durable fabric is more durable than other fabrics, with good waterproof performance and light fastness for up to 1500 hours. High-density Olefin Fabric with a bumpy texture brings a refreshing & breathable summer HIGH RESILIENCE FOAM - Comes with high-quality pure padded foam and an Olefin cover for easy assembly. The middle contains a sponge without any powder added and uses a unique multi-layer filling with flat cotton on the sides to maintain shape and be long-lasting. It provides excellent support and long service life and is not easily deformed. A non-woven wrapping layer outside adds shagginess SUPERIOR DETAIL DESIGN - The patio deep seat chair cushion has an elegant & firm piped edge design and invisible zipper. It fits a variety of indoor and outdoor furniture and is ideal for patios, pools, courtyards, living rooms, and more. It's attractive and comfortable, and easy to clean with soap and water ADJUSTABLE STRAPS - The patio furniture chair cushion exhibits an exquisitely superior design. It is adorned with adjustable straps. On windy days, these straps firmly secure the cushion to the chair, preventing it from being swept away by the wind and ensuring that its utilization remains unimpeded by the weather WARM TIPS - The package arrives vacuum-sealed, so the cushion fabric may have some creases. After assembly, these cushions will need 7 to 15 days to reclaim their original form. Once installed, tap and adjust them for a better fit