Amazon Basics AMZA31 9 × 12-Inch Peel-and-Seal Catalog Envelopes, 250-Pack

Peel-and-Seal: Amazon Basics Catalog Mailing Envelopes, Peel and Seal (AMZA31) are brown kraft paper envelopes listed at 9 × 12 inches in a 250-pack. Their self-adhesive closure is designed for sealing without moisture, making the pack suited to mailing catalogs, booklets, brochures and multi-page documents.

At a glance

250 brown kraft envelopes, listed as 9 × 12 inches each.
Self-seal adhesive closure needs no moisture, according to the listing.
The listing describes the material as 28-pound kraft and suggests catalogs, booklets, brochures and multi-page documents.

Price

$46.26Save 38%

Reference price: ~~$74.33~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

A 250-count pack is suited to recurring or higher-volume mailing.
Peel-and-seal closure avoids licking or moistening a flap.
The listed size and intended uses cover catalogs, brochures and multi-page documents.

Technical specifications

14 specifications

Identity
Brand	Amazon Basics
Model	Catalog Mailing Envelopes, Peel and Seal

Dimensions and installation
Dimensions listed	33.02 x 22.86 x 20.32 cm; 4.42 kg
Weight listed	4.42 kg
Envelope size	9 x 12 inch
Item dimensions	30.5L x 22.9W centimetres

Materials and closure
Material listed	Paper
Colour	Brown Kraft
Closure type	Self-Seal
Material weight	28-pound

Pack and intended use
Pack size	250-Pack
Recommended uses	Invitation Card, Letter
Occasion	Mailing
Shape	Rectangular

What to know before buying

Listing details to confirm

The listing gives envelope size as 9 × 12 inches and item dimensions as 30.5L x 22.9W centimetres, while product dimensions are also listed as 33.02 x 22.86 x 20.32 cm; 4.42 kg, and a separate weight is 4.42 kg. These measurements do not clearly distinguish individual envelopes from the full pack, so confirm the usable envelope size and package dimensions if fit or storage space is critical. The claimed privacy and strength are not independently confirmed here.

Who is it for?

A good fit for

Offices, small businesses or frequent mailers needing a bulk supply of catalog envelopes.
Sending catalogs, booklets, brochures, invitations or multi-page documents.

Less suited to

Buyers who need a clearly verified internal envelope capacity or exact package dimensions before ordering.

Amazon Basics AMZA31 9 × 12-Inch Peel-and-Seal Catalog Envelopes, 250-Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 14,867 ratings

5 stars80%80%
4 stars13%13%
3 stars5%5%
2 stars1%1%
1 star1%1%

Aggregate customer ratings are mostly in the top two star categories, with a smaller share in the middle and lower categories. This suggests generally favourable overall impressions, but ratings alone do not establish how well the closure holds or whether the envelopes suit a particular document thickness. The listing specifies a 9 × 12-inch size and self-seal closure, while the precise relationship among its other dimension entries is unclear.

Frequently asked questions

How many envelopes are listed in the pack?

The listing describes a 250-pack.

What size are the envelopes?

The listing states 9 x 12 inches each, but other dimensions are also provided without clearly identifying whether they describe an envelope or the full pack. Confirm the fit you need before buying.

Do these envelopes need moisture to seal?

No. The listing describes the peel-and-seal closure as self-adhesive and says no moisture is needed.

What are they intended to mail?

The listing names catalogs, booklets, brochures, multi-page documents, invitation cards and letters.