Premium Material Made of high quality 190T polyester canvas complex with environmentally friendly vinyl backing. UV-resistant and robust enough to divert rain, hail, snow, dust, leaves and bird drops.Elastic cords Well-made structured ventilation slots remain open on two sides to prevent wind blows. Heavy duty elastic cords allow adjustment for a tighter and lighter fit, especially in high winds and inclement weather.UV-resistant 100% cover UV-resistant design avoids exposure of the furniture to sunlight and always makes your hot tub look new.Arranged Designed with a contoured shape and sleek design for a custom fit.Location The elastic hem keeps your cover in place in windy conditions. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 37257 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.