Best Generic Envelopes in 2026

Daisy
Last Updated: Feb 7, 2026

At a Glance: Our Top Picks for Generic Envelopes

Smead Poly Project Envelope, 1-1/4" Expansion, String-Tie Closure, Side Load, Letter Size, 5 per Pack (89519)
#TOP1
Smead Poly Project Envelope, 1-1/4" Expansion, String-Tie Closure,
9.8
PM SCORE
Smead Poly Envelope, 1-1/4" Expansion, String-Tie Closure, Side Load, Letter Size, Red, 5 per Pack (89527)
#TOP2
Smead Poly Envelope, 1-1/4" Expansion, String-Tie Closure, Side
9.8
PM SCORE
Smead Poly Envelope, 1-1/4" Expansion, String-Tie Closure, Side Load, Letter Size, Blue, 5 per Pack (89522)
#TOP3
Smead Poly Envelope, 1-1/4" Expansion, String-Tie Closure, Side
9.8
PM SCORE

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Summary of the Best Generic Envelopes of 2026

#TOP1

Smead Poly Project Envelope, 1-1/4" Expansion, String-Tie Closure, Side Load, Letter Size, 5 Per Pack (89519)

SMEAD
89519
11.63 X 9.75 X 0.56 Inches
0.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Tough and acid free, these brightly colored envelopes are ideal for the home, office or classroom

Closed on three sides for security and portability

Expands to 1-1/4" to hold up to 200 sheets; String-tie closure to secure contents

Durable poly material is tear and water resistant and easy to clean; Acid free and PVC free

Includes 5 side load letter size (9-3/4" W x 11-5/8" H) poly envelopes with protective flap and string tie closure

#TOP2

Smead Poly Envelope, 1-1/4" Expansion, String-Tie Closure, Side Load, Letter Size, Red, 5 Per Pack (89527)

SMEAD
89527
11.63 X 9.75 X 0.56 Inches
0.38 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Tough and acid free, these brightly colored envelopes are ideal for the home, office or classroom

Closed on three sides for security and portability

Expands to 1-1/4" to hold up to 200 sheets; String-tie closure to secure contents

Durable poly material is tear and water resistant and easy to clean; Acid free and PVC free

Includes 5 side load letter size (9-3/4" W x 11-5/8" H) poly envelopes with protective flap and string tie closure

#TOP3

Smead Poly Envelope, 1-1/4" Expansion, String-Tie Closure, Side Load, Letter Size, Blue, 5 Per Pack (89522)

SMEAD
89522
11.63 X 9.75 X 0.56 Inches
0.35 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Tough and acid free, these brightly colored envelopes are ideal for the home, office or classroom

Closed on three sides for security and portability

Expands to 1-1/4" to hold up to 200 sheets; String-tie closure to secure contents

Durable poly material is tear and water resistant and easy to clean; Acid free and PVC free

Includes 5 side load letter size (9-3/4" W x 11-5/8" H) poly envelopes with protective flap and string tie closure

Smead Poly Envelope, 1-1/4" Expansion, String-Tie Closure, Side Load, Letter Size, Clear, 5 Per Pack (89521)

SMEAD
89521
11.63 X 9.75 X 0.56 Inches
0.09 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Tough and acid free, these clear envelopes are ideal for the home, office or classroom

Closed on three sides for security and portability

Expands to 1-1/4" to hold up to 200 sheets; String-tie closure to secure contents

Durable poly material is tear and water resistant and easy to clean; Acid free and PVC free

Includes 5 side load letter size (9-3/4" W x 11-5/8" H) poly envelopes with protective flap and string tie closure

Smead Project Envelope, Snap Closure, Top Load, Letter Size, Assorted Colors, 4 Per Pack (89685)

SMEAD
89685
11.75 X 9.00 X 0.63 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Color-code different projects for effortless identification with this set of 4 letter size (11-3/4" W x 9" H) assorted color envelopes featuring closed sides and snap closure for document security

These slender envelopes are perfect for small projects, keeping your files and papers secure on all 4 sides when the flap is snapped closed, preventing them from shifting or becoming disorganized

Durable, tear and water resistant poly construction protects the contents, making this project organizer great for taking documents out of the office, and is easy to clean

Keep your projects, proposals and deals color coordinated with the other organizational solutions in our Vibrant Line, including the Smead Cascading Wall Organizer (92060) sold seperately

Also available in 10 count boxes in each individual color: green, pink, purple and teal

Smead Poly Envelope, 1-1/4" Expansion, String-Tie Closure, Top Load, Letter Size, Red, 5 Per Pack (89547)

SMEAD
89547
11.63 X 9.75 X 0.56 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Junipers' 9.87

Features

Tough and acid free, these brightly colored envelopes are ideal for the home, office or classroom

Closed on three sides for security and portability

Expands to 1-1/4" to hold up to 200 sheets; String-tie closure to secure contents

Durable poly material is tear and water resistant and easy to clean; Acid free and PVC free

Includes 5 top load letter size (9-3/4" W x 11-5/8" H) poly envelopes with protective flap and string tie closure

#TOP7

Smead Poly Envelope, 1-1/4" Expansion, String-Tie Closure, Top Load, Letter Size, Assorted Colors, 5 Per Pack (89501)

SMEAD
89501
11.63 X 9.88 X 0.56 Inches
0.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Tough and acid free, these brightly colored envelopes are ideal for the home, office or classroom

Closed on three sides for security and portability

Expands to 1-1/4" to hold up to 200 sheets; String-tie closure to secure contents

Durable poly material is tear and water resistant and easy to clean; Acid free and PVC free

Includes 5 top load letter size (9-3/4" W x 11-5/8" H) poly envelopes with protective flap and string tie closure

#TOP8

Smead Poly Envelope, 1-1/4" Expansion, String-Tie Closure, Top Load, Letter Size, Green, 5 Per Pack (89543)

SMEAD
89543
11.63 X 9.75 X 0.56 Inches
0.43 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Tough and acid free, these brightly colored envelopes are ideal for the home, office or classroom

Closed on three sides for security and portability

Expands to 1-1/4" to hold up to 200 sheets; String-tie closure to secure contents

Durable poly material is tear and water resistant and easy to clean; Acid free and PVC free

Includes 5 top load letter size (9-3/4" W x 11-5/8" H) poly envelopes with protective flap and string tie closure

#TOP9

Smead Poly Envelope, 1 1/4 Inch Expansion, String-Tie Closure, Side Load, Letter Size, Clear, 5 Per Pack (89521)

SMEAD
89521
11.63 X 9.75 X 0.56 Inches
0.43 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Tough and acid free, these clear envelopes are ideal for the home, office or classroom

Expands to 1-1/4" to hold up to 200 sheets

String-tie closure to secure contents

Durable poly material is tear proof and water resistant

Closed on three sides for security and portability

Smead 89542 Poly String & Button Interoffice Envelopes, String & Button Closure, 9.75 X 11.63, Transparent Blue, 5/Pack

SMEAD
SMD89542
0.00 X 9.75 X 11.62 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Smart Toners 9.90

Features

Sold as 5/Pack.

Bright translucent colors for easy organization.

String and button closure.

Acid-free, PVC-free, archival-quality.

Durable poly material is tear and water resistant and easy to clean. Blue.

Top 10 envelopes Brands on Amazon

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

Brand Count
Smead 10

Top 10 envelopes Brands Pie Chart


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