1.Resolution: Over 300 DPI or above 1000 pixels; Color Mode: CMYK 2.The design must fully cover the adhesive surface (gray area). Cutting line should be outside the black frame. 3.Full-bleed printing requires a 1.5mm bleed on each side.Designs with borders must allow at least 2mm safe printing margin. 4.File formats: JPG, PNG, PSD, JPEG, etc.