Please use the following sizes when creating the images for your stickers. All the dimensions below are in width x height format.
Number of files: Min. 10, Max.40
Format: JPEG, PNG, TIFF
Image size: Min 300px x 300px
Sticker images will be automatically resized, so please make sure all dimensions are even numbers. The image size given above is the size of one sticker. Any sticker above 300px x 300px will be resized to fit in the 320 x 320.