Waterproof and Anti-UV: The umbrella cover is made of anti-UV fabric and double-layer polyester which is waterproof, breathable and anti-corrosion. Effectively block harmful UV rays, good compatiblement compatible your old broken umbrella. More sustainable. Even if it rains lightly, you can still enjoy the scenery outside. Removable and Washable: The spare canopy can easily dry out after rain. Removable and washable, easy to clean. WIDE USAGE: Perfect compatible use around the home and garden to take advantage of the shade. Also easy to install at camping, beach, playground, pergola, greenhouse etc. Easy to use: easy assembly, without tools. Suitable compatible wooden, steel and aluminum parasol frames. Fits 3m 8 rib umbrella frames. Package includes: 1 x umbrella cover, 8 x ribs, diameter: 3m, compatiblement canopy only (umbrella ribs and poles are not included).