File for A4 printing is at least 150 kB, A3 is at least 350 kB. Maximum filesize for printing is 2 MB. Design preview maximum is 300 kB. We accept files with JPG and PNG formats only. File type: JPG for Direct to Garment print and PNG with transparent background for the Rubber and Neopigment print. we provide some type of print, that is : NeoPigment non-white, NeoPigment+White, and Print & cut vynil. Please upload preview image for the location of the image, we will print the image in the middle centre of the t-shirt.