Please send jpg / jpeg files in Adobe RGB (or sRGB) without compression (or pdf / tif files).

About size, 200 dpi per inch is perfect. And you can use 400 dpi for product type A and B.

Be sure the image is in the correct proportion.

If you use the order form to upload, you can send images up to 100 Mb. Is your image bigger? Please use the alternative upload form or send a CD / DVD.