Custom Made Stamp - Alternative MaxStamp SI-3255 48x28mm - You can add text up to 7 lines with 25 characters on each line and a logo if required. Simply upload your logo and the text you need and we will create the artwork and email you a PDF preview to check and approve. Once you approve the artwork your stamp will be made and posted the same day if approved before 11am or the next working day (M-F)