Specifications: - Suitable Rib Length: 54""(137cm) - Space between Adjacent Tips: 51 3/16""(130cm) - Recommended top opening size(inner diameter): 3/4""(2cm)Dia - Model Number:YES0346 -Fit Long Rib Length: 52 3/4"" to 53 15/16"" (134 to 137 cm). Package Content: - 1x Umbrella Replacement Cover . Notice: - 1.Please measure all necessary dimensions of your umbrella carefully before purchasing. - 2.The fabric colors represented on the website may differ slightly from the actual product, and different monitors may cause colors to vary slightly. - 3.Please note that Umbrella Frame is Excluded. - 4.Check whether your umbrella is 6 ribs center pole umbrella with long rib length in the range of 4 5/12 ft to 4 1/2 ft before purchasing.