High-Quality Waterproof Material: Patio chair covers are made of high-quality 210D waterproof oxford cloth, with a silver inner layer. Wear-resistant and anti-scratch, good waterproof effect, washable and durable. Deeper and Larger Size: Garden chair covers size is 25"L x 25"W x 51H / 64 x 64 x 130cm, another high side is 31.5in/80cm, deeper design for more stacked chairs than others. Bottom Straps Design: The bottom of the outdoor stack chairs cover has a circle of adjustable straps, making the cover not easy being fall due to wind, and easy to put on and take off. Keep Your Chair Keep New: Black chair cover could protect the chair from sunshine, dust, rain, and snow, keeping chairs in like new condition for longer life. Easy to Wash and Use:Black chair cover is reusable and washable, suggests hand washing, and the package includes a storage bag for storage of the cover, more convenient.