A triplex postcard is made from three separate layers of premium paper bonded together into a single ultra-thick card. The outer two layers are printed faces, and the middle layer is a different colored stock that shows as a bold visible seam along all four edges of the card.

Triplex postcards at Jukebox are 36pt, making them the thickest postcard in our entire lineup. For reference, a standard postcard is 14pt–16pt and a credit card is approximately 30pt. A triplex postcard is nearly as thick as a stack of two credit cards.

The front and back layers of our triplex postcards are printed on Mohawk Superfine Ultrawhite, one of the most respected premium uncoated papers in North America. It has exceptional printability, a smooth but natural surface, and a bright white tone that makes colors and typography exceptionally crisp.

We offer the Colorplan middle layer in 10 color options, including deep black, rich reds, forest green, cobalt blue, and several warm and cool neutrals. The color you choose will show as a visible stripe along all four edges — a design decision as important as the front face design itself.

Duplex postcards are two bonded layers at 28pt–32pt. Triplex adds a third middle layer, reaching 36pt. Triplex has a more prominent and intentional color seam, greater rigidity, and a more dramatic overall presence. It is also more expensive. If you want the absolute most impressive postcard possible, triplex is the choice.

Triplex postcards can be mailed, but their premium nature makes them better suited for highly targeted, high-value mailings rather than large volume bulk campaigns. They are ideal for VIP client outreach, exclusive event invitations, luxury product launches, and any situation where the recipient is someone you really need to impress.

Yes, triplex postcards can technically be mailed without an envelope through Canada Post. Given their premium nature and production cost, many clients choose to mail them in envelopes or rigid mailers to ensure they arrive in perfect condition and to reinforce the premium positioning.

Foil stamped postcards stand out visually through metallic reflectivity. Duplex postcards stand out through substantial weight and a thin color seam. Triplex combines the extreme thickness of duplex with a much bolder, more prominent color layer at the edge — and uses one of the world's finest papers for the face. It is the most physically impressive postcard format we offer.