【Product parameter】
"Specific size" / manual measurement / a little error
28*20.5 10 inches
30.5*23 11.6 inch
31*24 12 inch/12.1 inch
33*26 13 inch/13.3 inch
36*27 14 inch / 14.1 inch / 14.4 inch
38.5*28 15.6 inch
"Fabric": Water repellent fabric 17 inches is 44*32![](https://img.alicdn.com/imgextra/i4/1034683470/TB2SOoKcXXXXXbuXXXXXXXXXXXX_!!1034683470.png)
![](https://img.alicdn.com/imgextra/i1/1034683470/TB2GPEFcXXXXXXwXpXXXXXXXXXX_!!1034683470.png)
![](https://img.alicdn.com/imgextra/i4/1034683470/TB2cwgCcXXXXXbSXpXXXXXXXXXX_!!1034683470.png)
![](https://img.alicdn.com/imgextra/i2/1034683470/TB2BokDcXXXXXbdXpXXXXXXXXXX_!!1034683470.png)
![](https://img.alicdn.com/imgextra/i1/1034683470/TB2S13EcXXXXXaeXpXXXXXXXXXX_!!1034683470.png)
![](https://img.alicdn.com/imgextra/i3/1034683470/TB27CoLcXXXXXaAXXXXXXXXXXXX_!!1034683470.png)
![](https://img.alicdn.com/imgextra/i3/1034683470/TB2R03NcXXXXXXCXXXXXXXXXXXX_!!1034683470.png)
![](https://img.alicdn.com/imgextra/i4/1034683470/TB2rd3NcXXXXXXxXXXXXXXXXXXX_!!1034683470.png)
![](https://img.alicdn.com/imgextra/i2/1034683470/TB2rQkCcXXXXXb1XpXXXXXXXXXX_!!1034683470.png)
![](https://img.alicdn.com/imgextra/i4/1034683470/TB26.7BcXXXXXcuXpXXXXXXXXXX_!!1034683470.png)
![](https://img.alicdn.com/imgextra/i4/1034683470/TB2D0kJcXXXXXbYXXXXXXXXXXXX_!!1034683470.png)
![](https://img.alicdn.com/imgextra/i1/1034683470/TB2saMFcXXXXXaXXpXXXXXXXXXX_!!1034683470.png)
![](https://img.alicdn.com/imgextra/i4/1034683470/TB2IUwIcXXXXXbZXXXXXXXXXXXX_!!1034683470.png)
![](https://img.alicdn.com/imgextra/i4/1034683470/TB2ZisBcXXXXXb7XpXXXXXXXXXX_!!1034683470.png)