Carbon Neutral


The shape and size of the flaps define the different envelopes: Straight or pointed closing flaps, elongation of closing or bottom flaps for certain purposes or special flap configurations for easy opening, mechanical insertion, etc.

Envelopes with straight seal flaps

Straight flap wallet

The back of the envelope is formed by the bottom flap

Envelope "Deep Flap"

Extended closing flap has a perforation at the edge of the gummed area to use the detachable part of the flap as a reply coupon.

"Bangtail" envelope ("detachable");

Wallet with an extended and perforated bottom flap. The bottom flap has a perforation to use the detachable part of the reply coupon.

Special straight flap envelope for inserting machines

Envelopes with pointed flaps

"American" envelope

In addition to the pointed or angular closing flap, it has a 90% angle bottom flap.

"Baronial" envelope

Pointed closing flap which is longer than the bottom flap (generally used in ceremonial correspondence and measuring 120 × 176 mm, under the current standardisation).

Rhombus envelope

Common name for the pointed closing flap which gives the shape of a rhombus.

Envelopes with innovative solutions for opening and inserting

Easy opening envelope: "OPEN PLUS"

TOMPLA's Open Plus incorporates a perforated line along the bottom flap which, by simple traction, opens cleanly without having to use a letter opener.

Special envelopes for inserting machines.

Inserting machines require special shapes, paper and gums in order to optimise production. The most usual ones are: 1 Trapeze, 2 Straight, 3 Circular, 4 Teide, 5 Teide 2000.

Types of Envelopes

The Spanish norm defines the envelope as "a flat, rectangular-shaped wrapper, generally obtained from a sheet of paper folded in such a way that a single front side is obtained and a back side formed by four flaps which are mounted together.


A first distinction: envelope, pockets, wallet

Pockets usually open at the narrowest side, the back of the wallet is formed by the side seams.



Various combinations of folding, paper, plastic and windows give rise to different wallets for special uses.


Photographic wallets

The way of constructing and folding the envelope makes the difference between a wallet and a pocket.