Our large parasol cover is made from woven polyethylene for extra strength and stability that protect your patio garden parasol covers from the elements, rain, dust, and birds. The durable waterproof material means this waterproof cover fit as a rotary washing line cover and lasts for many years. : The powerful parasol waterproof cover and outdoor cantilever umbrella cover can be used as outdoor parasol Umbrella cover protector; including the sun and with the UV protective material you can be sure the colour doesn't fade with bleaching from the sun. The garden umbrella cover will not shrink, fade or deform; ensuring that your parasol remains not only dry but also clean. - Marco Paul Large Garden Parasol Umbrella cover in Green