All products 

Keiren Special Mail Solutions produces a wide variety of specialized envelopes for various purposes. We offer a suitable solution for all of your postage needs, from small to large orders.

 

Keiren has the in-house capability to deliver customized envelopes and packages thanks to a mastery of the cutting, die cutting, creasing, perforating, windowing, finishing and assembly processes. We offer full customization in terms of both functionality and design.