Best Generic Envelopes in 2026

Daisy
Last Updated: Feb 6, 2026

At a Glance: Our Top Picks for Generic Envelopes

Heavy Duty Brown Clasp Envelopes, 5" W x 7-1/2" L, 28lb. - 10 Pack
#TOP1
Heavy Duty Brown Clasp Envelopes, 5" W X
8.3
PM SCORE
Heavy-Duty Brown Clasp Envelopes, 8-3/4" W x 11-1/2" L, 28lb. - 10 Pack
#TOP2
Heavy-Duty Brown Clasp Envelopes, 8-3/4" W X 11-1/2"
8.1
PM SCORE
Ruled Interdepartmental, 10" W x 13" L, #32 String/Button Envelopes 32 lb. - 10 Pack
#TOP3
Ruled Interdepartmental, 10" W X 13" L, #32
8.0
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Generic Envelopes of 2026

Heavy Duty Brown Clasp Envelopes, 5" W X 7-1/2" L, 28Lb. - 10 Pack

975 SUPPLY
36672-975
7.50 X 5.00 X 0.10 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Clasp - #35 - 5" Width x 7 1/2" Length - 28 lb - Clasp - Kraft - 10 / Pack - Brown Kraft

Heavy-duty, 28 lb. Brown Kraft

Metal clasp with rounded edges is plated for rust-resistance

Open-end style construction with superior gumming on flap for a secure seal

Heavy-Duty Brown Clasp Envelopes, 8-3/4" W X 11-1/2" L, 28Lb. - 10 Pack

975 SUPPLY
36674-975
11.50 X 8.75 X 0.10 inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Clasp - 8 3/4" Width x 11 1/2" Length - 28 lb - Clasp - Kraft - 10 / Pack - Brown Kraft

Heavy-duty, 28 lb. Brown Kraft

Metal clasp with rounded edges is plated for rust-resistance

Open-end style construction with superior gumming on flap for a secure seal

Ruled Interdepartmental, 10" W X 13" L, #32 String/Button Envelopes 32 Lb. - 10 Pack

975 SUPPLY
975-04545
13.00 X 10.00 X 0.10 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ASAP Office Products 9.65

Features

Inter-department - #32 - 10" Width x 13" Length - 32 lb - String/Button - Kraft - Brown Kraft - 10 Envelopes

Ruled with headings for accurate interdepartmental routing

Pre-punched holes allow quick visual acknowledgment of contents

Dark construction prevents items from showing through for added privacy

String-and-button closure secures flap while allowing easy access

Heavy Duty Brown Clasp Envelopes, 3-3/8" W X 6" L, 28Lb. - 10 Pack

975 SUPPLY
36669-975
6.00 X 3.38 X 0.10 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Clasp - 3 3/8" Width x 6" Length - 28 lb - Clasp - Kraft - 10 / Pack - Brown Kraft

Heavy-duty, 28 lb. Brown Kraft

Metal clasp with rounded edges is plated for rust-resistance

Open-end style construction with superior gumming on flap for a secure seal

Ruled Interdepartmental Envelopes, 10" W X 15" L, #32 String & Button, 32 Lb. - 10 Pack

975 SUPPLY
975-04546
15.00 X 10.00 X 0.10 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Inter-department - #32 - 10" Width x 15" Length - 32 lb - String/Button - Kraft - Brown Kraft - 10 Envelopes

Ruled with headings for accurate interdepartmental routing

Pre-punched holes allow quick visual acknowledgment of contents

Dark construction prevents items from showing through for added privacy

String-and-button closure secures flap while allowing easy access

Double-Prong White Clasp Envelopes, 9" W X 12" L, 28Lb. - 10 Pack

975 SUPPLY
04422-975
12.00 X 9.00 X 0.10 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Clasp - #90 - 9" Width x 12" Length - 28 lb - Clasp - Wove - 10 / Pack - White

Gummed flap creates permanent closure to prevent peeling during transit

Double-prong clasp allows convenient interdepartmental use

28 lb. wove material offers distinctive look with smooth writing surface

Perfect for businesses, schools, personal use and more

Press/Seal White Catalog Envelopes, 10" W X 13" L, 28Lb. - 10 Pack

975 SUPPLY
04649-975
13.00 X 10.00 X 0.10 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Catalog - 10" Width x 13" Length - 28 lb - Self-sealing - 10 / Pack - White

Press-to-seal design creates fast, secure closure

Sturdy, 28 lb. stock withstands abuse during transit

Cost-efficient design keeps shipping costs to a minimum

Perfect for businesses, schools, personal use and more

Brown Kraft Self Sealing Interdepartmental Envelopes, 10" W X 13" L, 28 Lb. - 10 Pack

975 SUPPLY
975-04547
13.00 X 10.00 X 0.10 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Inter-department - #28 - 10" Width x 13" Length - 28 lb - Self-sealing - Kraft - Brown Kraft - 10 Envelopes

Ruled with headings for accurate interdepartmental routing

Pre-punched holes allow quick visual acknowledgment of contents

Dark construction prevents items from showing through for added privacy

Reusable, self-sealing design secures flap while allowing easy access

Double-Prong White Clasp Envelopes, 10" W X 13" L, 28Lb. - 10 Pack

975 SUPPLY
975-04423
13.00 X 10.00 X 0.10 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Clasp - #97 - 10" Width x 13" Length - 28 lb - Clasp - Wove - White - 10 Envelopes

Gummed flap creates permanent closure to prevent peeling during transit

Double-prong clasp allows convenient interdepartmental use

28 lb. wove material offers distinctive look with smooth writing surface

Perfect for businesses, schools, personal use and more

Top 10 envelopes Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
975 Supply 9

Top 10 envelopes Brands Pie Chart


We've carried out a comprehensive analysis of 303 reviews on envelopes, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select envelopes priced around $19.89, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 9 envelopes for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .

We are dedicated to assisting our users in finding the right envelopes Products based on their needs, saving them considerable time when choosing which envelopes to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.