JAM PAPER 5.5 x 5.5 Square Invitation Envelopes White - 100 Pack

In this review of the JAM PAPER 5.5 x 5.5 square invitation envelopes, the bottom line is simple: these are a practical, attractive choice for anyone sending square greeting cards or invitations and who needs a tidy, mail-ready presentation. The pack of 100 in white offers a consistent color and a sturdy feel that customers cite as a nice touch of class. For event planners, brides-to-be, and craft hobbyists who want a reliable envelope that fits square cards without trimming, this package delivers solid value and dependable functionality.

Key Features

• Square shape: The 5 1/2 x 5 1/2 in format removes the guesswork when your card is square and ensures a neat, tailored fit.
• Gum closure: The traditional gum closure provides a secure seal and a clean finish ideal for formal invitations.
• Pack quantity: With 100 envelopes per pack, there is enough supply for weddings, showers, or repeated mailing needs without frequent restocking.
• White color: The neutral white offers a versatile, classic backdrop that complements printed or handwritten cards and matches most invitation palettes.
• Sturdy construction: Customers report a durable feel that protects contents and maintains shape during handling and mailing.

Who It's For

These envelopes are well suited for people preparing invitations and announcements for weddings, bridal showers, birthdays, or other events where a square card layout is used. Crafters and small businesses that produce square greeting cards will find the consistent sizing and white finish helpful for presentation and photography.

Those who need specialty sizes beyond a 5 1/2 x 5 1/2 in square or who prefer self-sealing or padded mailing options should look elsewhere; this product is specifically designed as a classic, non-padded envelope with a gum closure for paper cards and invitations.

Pros & Cons

Pros

• Good quality and sturdy material that preserves the look of invitations during handling.
• Size fits square cards well, eliminating awkward folds or excess space.
• Great value for the quantity-100 envelopes cover most small to medium event needs.
• White color offers a clean, professional appearance for formal events.

Cons

• Gum closure requires moistening and is not as convenient as self-seal options.
• Not padded or reinforced for heavy mailing without additional protection.

Specifications

Brand	JAM Paper
Color	White
Size	5 1/2 x 5 1/2 in
Quantity	100 envelopes per pack
Closure	Gum closure
Shape	Square

Our Verdict

The JAM PAPER 5.5 x 5.5 square envelopes are a sensible buy for anyone sending square cards who values a neat presentation and good value per pack. They offer dependable construction and a classic white finish that make them a practical choice for weddings and invitations, as long as you are comfortable with a gum closure rather than a self-seal option.

Frequently Asked Questions

Will these envelopes fit standard square invitation cards?
Yes, they are sized at 5 1/2 x 5 1/2 in and fit square cards designed for that dimension.

Are the envelopes self-sealing?
No, these use a traditional gum closure that requires moistening to seal.

Is the paper sturdy enough for mailing?
Customers report the envelopes are sturdy and mail well, but for heavy mailing additional protection like a cardboard insert is recommended.