Best Birthday Mailers in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for Birthday Mailers

Partners Brand PM1242 12"L x 4"W x 2"H, White (Pack of 50)
#TOP1
Partners Brand Pm1242 12"L X 4"W X 2"H,
9.7
PM SCORE
Partners Brand PBINMT212 Open Top Bin Boxes, 2" x 12" x 4 1/2", Oyster White (Pack of 50)
#TOP2
Partners Brand Pbinmt212 Open Top Bin Boxes, 2"
9.7
PM SCORE
Partners Brand PM3312 Square Mailing Tubes, 3" x 12", Oyster White (Pack of 25)
#TOP3
Partners Brand Pm3312 Square Mailing Tubes, 3" X
8.1
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 Birthday Mailers of 2026

Market Overview
Birthday Mailers Reviewed
  • Reviews Analyzed: 407 Items
  • PM Avg. Rating: 5.3 / 10
18 Products Evaluated
  • Highest Price: $110.17
  • Lowest Price: $26.83
  • Avg. Price: $57.62
#TOP1

Partners Brand Pm1242 12"L X 4"W X 2"H, White (Pack Of 50)

PARTNERS BRAND
PM1242
12.00 X 4.00 X 2.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Corrugated Mailers are super strong yet light-weight to save on postage.

Perfect for shipping small, light-weight fragile items.

Corrugated Mailers are manufactured from 200#/ECT-32-B white corrugated.

Crush resistant mailers fold to provide double walls of protection on front and sides.

No tape, glue or staples needed. Proudly made in the USA!

#TOP2

Partners Brand Pbinmt212 Open Top Bin Boxes, 2" X 12" X 4 1/2", Oyster White (Pack Of 50)

PARTNERS BRAND
PBINMT212
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Perfect Moving Supplies - Designed to fit clothing, books, household, kitchen, garage, basement, office supplies and other personal items for moving, shipping, storage, or small business packaging

Heavy Duty Shipping Boxes - Holds up to 65 lbs (pounds), 32 lb (pound) edge crush tested, certified and tested to meet all single wall box storage, mailing, and freight requirements

Extra Large, Large, Medium and Small Size Boxes - Made of kraft brown unprinted cardboard, single-layer corrugated boxes are lightweight and sturdy, perfect for house files, business file and personal household items

50 Pack Bulk Box Value Bundle - Manufactured from Partners Brand and brand new

100% Recyclable and Reusable - Simple materials, excellent performance; Made in the USA

Partners Brand Pm3312 Square Mailing Tubes, 3" X 12", Oyster White (Pack Of 25)

PARTNERS BRAND
PM3312
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.

These one piece tubes ship flat to save space.

Tubes fold together fast without tape or glue.

Constructed from 200#/ECT-32-B white corrugated.

Proudly made in the USA!

Partners Brand Pm3318K Square Mailing Tubes, 3" Width, 3" Height, 18" Length, Kraft (Pack Of 25)

PARTNERS BRAND
PM3318K
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.

These one piece tubes ship flat to save space.

Tubes fold together fast without tape or glue.

Constructed from 200#/ECT-32-B kraft corrugated.

Proudly made in the USA!

#TOP5

Partners Brand 16 X 8 X 4" Flat Corrugated Boxes,16"L X 8"W X 4"H, Pack Of 25 | Shipping, Packaging, Moving, Storage Box For Home Or Business, Strong Wholesale Bulk Boxes

AVIDITI
16108
16.00 X 10.00 X 8.00 Inches
0.68 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

DIMENSIONS: Inside dimensions measure 16-inches (length) x 10-inches (width) x 8-inches (height). Carton capacity is approximately 0.741 cubic feet.

APPLICATIONS: Aviditi corrugated boxes are great for packing, shipping, moving, storage, crafting and much more!

TOP QUALITY: These boxes are the industry standard and proudly made in the United States. Aviditi corrugated boxes are easy to assemble and fold together in seconds.

MATERIAL & STRENGTH: Standard strength industrial corrugated boxes are manufactured from 200#/ECT-32 single wall, c-flute kraft corrugated. Estimated weight capacity is 65 lbs. (This is only a guide, weight must be distributed evenly).

PACKAGING: Package includes 25 boxes and ship flat to save on storage, space and shipping. Corrugated boxes are reusable and recyclable.

#TOP6

Partners Brand Phd1212Dw Double Wall Boxes, 12"L X 12"W X 12"H, Kraft (Pack Of 15)

PARTNERS BRAND
PHD1212DW
12.00 X 12.00 X 12.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Heavy Duty Shipping Boxes - Holds up to 65 lbs (pounds), 32 lb (pound) edge crush tested, certified and tested to meet all single wall box storage, mailing, and freight requirements

Perfect Shipping Supplies - Designed to fit clothing, books, household, kitchen, garage, basement, office supplies and other personal items for moving, shipping, storage, or small business packaging

15 Pack Bulk Box Value Bundle - Manufactured from Partners Brand and brand new

Extra Large, Large, Medium and Small Size Boxes - Made of unprinted cardboard, single-layer corrugated boxes are lightweight and sturdy, perfect for house files, business file and personal household items

100% Recyclable and Reusable - Simple materials, excellent performance; Made in the USA

Partners Brand Pm3337K Square Mailing Tubes, 3" Width, 3" Height, 37" Length, Kraft (Pack Of 25)

PARTNERS BRAND
PM3337K
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.

These one piece tubes ship flat to save space.

Tubes fold together fast without tape or glue.

Constructed from 200#/ECT-32-B kraft corrugated.

Proudly made in the USA!

Partners Brand Phd241612Dw Double Wall Boxes, 24"L X 16"W X 12"H, Kraft (Pack Of 10)

PARTNERS BRAND
PHD241612DW
24.00 X 16.00 X 12.00 inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Heavy Duty Shipping Boxes - Holds up to 65 lbs (pounds), 32 lb (pound) edge crush tested, certified and tested to meet all single wall box storage, mailing, and freight requirements

Perfect Shipping Supplies - Designed to fit clothing, books, household, kitchen, garage, basement, office supplies and other personal items for moving, shipping, storage, or small business packaging

10 Pack Bulk Box Value Bundle - Manufactured from Partners Brand and brand new

Extra Large, Large, Medium and Small Size Boxes - Made of unprinted cardboard, single-layer corrugated boxes are lightweight and sturdy, perfect for house files, business file and personal household items

100% Recyclable and Reusable - Simple materials, excellent performance; Made in the USA

Partners Brand Pm3330K Square Mailing Tubes, 3" Width, 3" Height, 30" Length, Kraft (Pack Of 25)

PARTNERS BRAND
PM3330K
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.

These one piece tubes ship flat to save space.

Tubes fold together fast without tape or glue.

Constructed from 200#/ECT-32-B kraft corrugated.

Proudly made in the USA!

Partners Brand Phd161210Dw Double Wall Boxes, 16"L X 12"W X 10"H, Kraft (Pack Of 15)

PARTNERS BRAND
PHD161210DW
16.00 X 12.00 X 10.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Heavy Duty Shipping Boxes - Holds up to 65 lbs (pounds), 32 lb (pound) edge crush tested, certified and tested to meet all single wall box storage, mailing, and freight requirements

Perfect Shipping Supplies - Designed to fit clothing, books, household, kitchen, garage, basement, office supplies and other personal items for moving, shipping, storage, or small business packaging

15 Pack Bulk Box Value Bundle - Manufactured from Partners Brand and brand new

Extra Large, Large, Medium and Small Size Boxes - Made of unprinted cardboard, single-layer corrugated boxes are lightweight and sturdy, perfect for house files, business file and personal household items

100% Recyclable and Reusable - Simple materials, excellent performance; Made in the USA

#TOP11

Partners Brand Pm963K 9"L X 6"W X 3"H, Kraft (Pack Of 50)

PARTNERS BRAND
PM963K
9.00 X 6.00 X 3.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Kraft Corrugated Mailers are light-weight to save on postage.

Perfect for shipping small, light-weight fragile items.

Corrugated Mailers are manufactured from 200#/ECT-32-B kraft corrugated.

Crush resistant mailers fold to provide double walls of protection on front and sides.

No tape, glue or staples needed. Proudly made in the USA!

#TOP12

Partners Brand Pcpm1215Bk Poly Mailers, 12" X 15 1/2", Black (Pack Of 100)

PARTNERS BRAND
PCPM1215BK
13.50 X 10.00 X 1.75 Inches
3.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Colored mailers attract attention

Mailers are puncture, water, tamper and tear resistant

High strength seams will keep contents intact even if over Packed

The outer surface of the mailer is colored and the inner lining is Silver

Labels stamps and ink adhere well

#TOP13

Partners Brand Pepm13164 Expansion Poly Mailers, 13" X 16" X 4", White (Pack Of 100)

PARTNERS BRAND
PEPM13164
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Features a gusseted bottom to allow for thicker items such as binders, books and catalogs

Puncture, moisture, tamper and tear resistant

High strength seams will keep contents intact even if over Packed

The outer surface of the mailer is White and the inner lining is Silver

Labels, ink and stamps adhere well

#TOP14

Partners Brand Pm1085 10"L X 8"W X 5"H, White (Pack Of 50)

PARTNERS BRAND
PM1085
10.00 X 8.00 X 5.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Corrugated Mailers are super strong yet light-weight to save on postage.

Perfect for shipping small, light-weight fragile items.

Corrugated Mailers are manufactured from 200#/ECT-32-B white corrugated.

Crush resistant mailers fold to provide double walls of protection on front and sides.

No tape, glue or staples needed. Proudly made in the USA!

#TOP15

Partners Brand Pm532 5"L X 3"W X 2"H, White (Pack Of 50)

PARTNERS BRAND
PM532
5.00 X 3.00 X 2.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Corrugated Mailers are super strong yet light-weight to save on postage.

Perfect for shipping small, light-weight fragile items.

Corrugated Mailers are manufactured from 200#/ECT-32-B white corrugated.

Crush resistant mailers fold to provide double walls of protection on front and sides.

No tape, glue or staples needed. Proudly made in the USA!

#TOP16

Partners Brand Pm2662 26"L X 6"W X 2"H, White (Pack Of 50)

PARTNERS BRAND
PM2662
26.00 X 6.00 X 2.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Corrugated Mailers are super strong yet light-weight to save on postage.

Perfect for shipping small, light-weight fragile items.

Corrugated Mailers are manufactured from 200#/ECT-32-B white corrugated.

Crush resistant mailers fold to provide double walls of protection on front and sides.

No tape, glue or staples needed. Proudly made in the USA!

#TOP17

Partners Brand Pmmc1K 7 3/8"L X 7 3/8"W X 1 3/8"H, Kraft (Pack Of 50)

PARTNERS BRAND
PMMC1K
7.38 X 7.38 X 1.38 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Our most popular sizes of literature mailers in economical kraft corrugated.

The perfect size to ship and store documents.

Manufactured from strong 200#/ECT-32-B kraft corrugated.

Assembles in seconds without tape, glue or staples.

Proudly made in the USA!

#TOP18

Partners Brand Phd20850Folms Heavy-Duty Side Loading Moving Boxes, 20" Length X 8" Width X 50" Height, Kraft (Pack Of 5)

PARTNERS BRAND
PHD20850FOLMS
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Designed with full overlap (F.O.L.) flaps for added protection on outer edges

Recommended for packing flat or narrow products

Manufactured from heavy-duty 275#/ect-44 Kraft corrugated

Boxes are sold in bundle quantities and ship flat to save on storage space and shipping

5 boxes per bundle

Top 10 mailers Brands on Amazon

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

Brand Count
Partners Brand 17
Aviditi 1

Top 10 mailers Brands Pie Chart


We've carried out a comprehensive analysis of 407 reviews on mailers, using our selection criteria to identify the best options in the office & school supplies. Our findings reveal that most customers typically select mailers priced around $57.62, with top brands including fuxury, kkbestpack, amazon basics, metronic, upaknship, pakaboo, newlng, package mint and ruspepa and trwcrt

Our team of expert editors reviewed these high-quality items and handpicked the top 18 mailers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the office & school supplies category. These include fu global, amazon.com, jiaro international, sack of wonders, attractive home, newlng, package mint, ruspepa® and trwcrt and ch packaging .

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