Specifications:- Canopy Diameter: 183 7/16andquotx 107 1/2andquot(466 x 273 cm) - Fits Long Rib Length: 51 9/16andquot to 53 1/8andquot (131 to 135 cm)- Net Weight: 4.19 Lbs (1.9 kg)- Model Number: YES0340. Package Contents:- 1x Umbrella Canopy- 1x Manual. Notice: - Please note that umbrella frame is Not included.-Before purchasing, check the following information of your double sided umbrella:1. center pole umbrella with 12 ribs 2. Long rib size of 51 9/16andquot to 53 1/8andquot in length3. Triangle base width of 39 3/16andquot to 39 9/16andquot 4. Distance between 2 umbrella finial of 35 5/8andquot to 36andquot. This umbrella replacement cover will perfectly fit our umbrella model YES0319, any inquiry is welcome.