The tire cover is suitable for diameter less than 80cm, suitable for 19-23 inch tires (please check the tire size before purchasing) 4 pack tire bags, you can store summer tires and winter, sturdy and durable for long-term use Made of waterproof and dustproof 210D Oxford fabric, It is tear-resistant and can withstand strong tensile forces without deforming Marked, to distinguish which tire matches which side to facilitate wheel recognition, keep spare wheel clean With straps on both sides for reinforcement, with a handle and retractable cord, can be freely adjusted in size, for easy removal and transportation Features: Material: 210D Oxford Cloth Color: Black Size: L Quantity: 4 pieces. Application: Suitable for storing car spare tires. Applicable tire size: L (diameter 80CM/31in) tire cover size: 124*69CM, suitable for 19-23 inch tires Car tire diameter selection: L: tire diameter less than 80cm S: tire diameter less than 66 cm Calculation method for tire diameter: For example: 195/55 R15 85 V tire specifications. Diameter conversion method: diameter (cm) = AR/500 width + 2.54 width. Formula: Diameter = W AR/500 + 2.54 x R = 195 x 55/500 + 2.54 x 15 = 59.55. According to the calculation, the small size is suitable. Contents: Set of 4 car spare wheel covers.