Royal Mail PPI self inking rubber stamps are the easy way to send large quantities of mail, Printed Postage Impressions (or PPI) offer a simple alternative to postage stamps or franking machines. Easy to buy and simple to print using rubber stamps, PPI could save you time and money. Available for use with First Class, Second Class and Mailsort and the stamps can be supplied in 4 different sizes. Please note to use PPI you need to have a Credit Account with Royal Mail.
