Made of 400g polyester with zipper Make sure the umbrella is completely closed and the arm is all the way down before covering it Easy to put on the umbrella and zip up Its simple design makes it a must-have for any homeowner, keeping their garden and beach umbrellas in good condition for years to come. Weatherproof: This black water-resistant protective cover ensures that your patio umbrella remains protected all year round. Perfect for outdoor events, parties and barbecues without worrying about unexpected rain showers!