Dimensions: 1155 x 588 pixels at 300 PPI.
Dimensions: 1641 x 589 pixels at 300 PPI.
Dimensions: 1310 x 588 pixels at 300 PPI.
The second image in each set possesses a transparent background.
All banners/stickers are available for free personal or non-commercial use with credit to one of my accounts. They are not available for commercial use.
For flag creator credits, please see @aroflagarchive.