Introducción

A remittance envelope is the return envelope that carries a payment, a donation, or a completed coupon back to the sender. Its defining feature is a large flap that doubles as a printed surface — the side that faces the recipient when the envelope is opened and that carries the form they fill in.

That design detail is why remittance envelope sizes are not interchangeable with ordinary reply envelopes. The size has to accommodate a coupon or form on the flap, hold the payment securely, and still nest inside the outgoing piece. This guide covers the size family in dimensions only. For the workflow around remittance mail, see our sobres de estado de cuenta y remesa .

What Makes a Remittance Envelope Different

The size decision starts with a structural feature rather than a dimension.

CaracterísticaFunción
Large flapPrinted as a form or coupon
Remoistenable or peel-seal gumSeals the payment inside
Papel opacoHides the contents
Often pre-addressedReturns without the payer writing

Because the flap carries print, the envelope is specified so the flap is large enough to hold the form — not merely large enough to close.

The Remittance Size Family

Three sizes cover most remittance and coupon applications.

TamañoDimensionesUso típico
#6¼3½” × 6″Compact cash or coupon return
#6¾3⅝” × 6½”Standard remittance, cheque
#93⅞” × 8⅞”Formato más grande, encaja en un #10

A fourth option, the DL format at 110 × 220 mm, serves the same role in A4 paper markets.

Estándar de papelRemittance Envelope
US Letter#6¾ o #9
A4 (UK/EU/AU)DL

#6¾ Remittance Dimensions

The #6¾ is the default remittance size and holds a standard cheque with the flap open for a printed form.

Mida#6¾ Value
Ancho3⅝” (3,625 pulg / 92,1 mm)
Largo6½” (6,5 pulg / 165,1 mm)
SolapaLarge, printed as a form
AceptaCheque, cash, small form

Its proportion is deliberate: long enough to cover a cheque, short enough that the flap uses the full height for print.

Uso#6¾ Fit
Cheque returnComfortable
Cash donationComfortable
Coupon returnWorkable
Multi-field formTight — consider #9

#6¼ Remittance Dimensions

The #6¼ is the compact option, used where the return form is minimal.

Mida#6¼ Value
Ancho3½” (3.5 in / 88.9 mm)
Largo6″ (6 in / 152.4 mm)
SolapaSmall printed area
AceptaCash, short coupon

It suits high-volume, low-complexity returns — a single-line coupon, a cash gift with no declaration field — where the larger #6¾ would waste paper.

Uso#6¼ Fit
Single-line couponBuena
Cash gift, no formBuena
Cheque returnApretado
Full declaration formDemasiado pequeño

#9 Remittance Dimensions

The #9 is the largest of the family and nests inside a standard #10 outgoing envelope without folding.

MidaValor #9
Ancho3⅞” (3,875 pulg / 98,4 mm)
Largo8⅞” (8,875 pulg / 225,4 mm)
SolapaFull-width printed form
AceptaPayment slip, multi-field form

Because it fits inside a #10, the #9 supports a bill-plus-return mailing without adding a fold step.

Factor#9 Advantage
Form areaRoom for several fields
NestingFits a #10 outer
ProcessingFits standard mail extraction
FranqueoStays inside letter class

For the reply-envelope counterpart, see our sobres de respuesta .

The Large Flap and Print Area

The flap is the structural feature that separates a remittance envelope from a plain reply envelope.

Flap SpecRequisito
ProfundidadDeep enough to carry the form
Gum positionAlong the edge only, keeping the form area clear
Print zoneInside the gum line
PerforationOptional tear-off for a receipt

Getting the gum line wrong is a common specification error, because gum applied across the form area ruins the printing beneath it.

ErrorConsecuencia
Gum across the print zoneForm cannot be printed
Flap too shallowNot enough space for fields
No clearance from foldHandwriting runs off the edge

Fitting a Coupon or Donation Form

The form dictates the size more than the payment does.

Field CountMinimum Size
Name only#6¼
Name + amount#6¾
Name + address + amount#6¾ or DL
Full declaration + signature#9

A practical way to specify is to draft the form first, then choose the smallest envelope whose flap holds it at a writable size.

PasoAcción
1Draft the form fields
2Estimate written field height
3Match to the smallest sufficient flap
4Confirm nesting in the outer envelope

Choosing the Right Remittance Size

SituaciónSobre
Cheque return with a short form#6¾
Cash gift, minimal form#6¼
Full declaration or multi-field form#9
A4 market billingDL
Nesting inside a #10 bill#9

For the size family used on the outbound bill itself, see our statement envelope size .

Conclusión

Remittance envelope size comes down to three dimensions — #6¼ at 3½ × 6 inches for compact coupon returns, #6¾ at 3⅝ × 6½ inches as the standard cheque and remittance size, and #9 at 3⅞ × 8⅞ inches when the form needs more fields or must nest inside a #10 bill. The DL format at 110 × 220 mm covers A4 markets.

Because the flap carries the form, the size is chosen from the form outward: draft the fields, then pick the smallest envelope whose flap holds them legibly, keeping the gum line clear of the print zone. For the mailing workflow, see our sobres de estado de cuenta y remesa .

Need remittance envelopes in a specific size with a printed flap form? Solicite una cotización y adaptaremos la especificación a su formulario.