Material:Using 170G top polyethylene material in the filed,all Sew thread are waterproof Function:Protects your Hot Tub from Dirt, Dust, Rain, Hail, Bird Droppings etc. locking Systems:With Adjustable wind belt to make cover tighten to prevent blow off during high winds and severe weather. Warm Tips:this cover not be used by itself without an insulated hard cover under it. Extra Install Door Design:Making customer very easy to install it and make the cap tighten.is Ideal for use on hot tub hard cover. 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 24 hours, wish you a happy shopping Thanks for your cooperation and we"ll make you feel satisfied. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it! Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia