A4 size brown kraft paper rigid envelopes stay flat mailers

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$0.05 - $0.39 / Pieces | 30000 Piece/Pieces (Min. Order)
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Quick Details
Paper cardboard or Kraft board, Kraft paper, CCKB, CCNB
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
Item Type:
Rigid envelopes, stay flat mailers
Standard Size or customized
Paper Color:
White, grey, brown
Strong Hot Melt glue, Peal&Seal, Tear Strip
Great for packaging and delivery
100% Recyclable, strong, stay flat and
CMYK/Logo printing, Emboss,
20,000 to 30,000 pcs
Supply Ability
Supply Ability:
20000000 Piece/Pieces per Month We produce 90*40HQ Containers rigid stay flat mailers in one day
Packaging & Delivery
Packaging Details
The Rigid envelopes, stay flat mailers packed into high quality carton first, then loaded onto export pallet.
Lead Time :
About 10 days after deposit

A4 size brown kraft paper rigid  envelopes stay flat mailers

Our Advantages

Why Choose US

 TOP 3 envelopes suppliers in China

 Professional: 15 yesrs experience in envelopes manufacturing

 High capacity: 90 containers per Month

 Short Leadtime: About 10 days

 Bord weight: 175 gsm ~750 gsm are all available

 Trade Assurance and competitive advantage products

 Accept OEM & ODM

 Excellent After-sales Service

Product Description



    Popular Size:6*6", 6*8",  7*9", 9*11.5", 9.75*12.25", 11*13.5", 12.75*15", 13*18"

    Custom sizes for the cardboard envelope rigid mailer are welcome


    Popular Choices: Kraft Board, Clay Coated News Back, Clay Coated Kraft Back

    Other Choice: Grey Chip Board, Wood Free Paper

Gram Weight/


    Popular Choices: 18pt/350gsm, 28pt/550gsm

    Other Choice: 14pt/175gsm -- 36pt/750gsm are available


    Popular Choice: Plain without printing

    Custom printing: Logo, address, slogan, etc. could be printing in CMYK

Glue one Flap

    Hot melt glue or double faced adhesive tape

Tear Strip

    With tear strip for easy open


    100pcs/ctn or as requests


    Small Size: 30,000pcs, Big Size: 20,000pcs


    90 containers in one month


    Great for direct mail, calendars, photographs, awards, computer software and much more


    Samples in stock can be offered within 1day for free by freight collect

    Customized samples would be finished in about 7days.


    Accept and welcome


    About 10 days depends on the order quantity


    By sea, air, express or as agreement




Product Details

 Sizes of the mailers could all be customized, the popular sizes are:


Item NumberWxL (outside Dimensions)
RMK16"x 6"
RMK26"x 8"
RMK37"x 9"
RMK49" x 11.5"
RMK59.75"x 12.25"
RMK611"x 13.5"
RMK712.75" x 15"
RMK813" x 18"

Hot melt glue


1. Strong glue

2. Permanent adhesive

3. Peal & Seal

4. Temper proof


Tear Strip


Easy open, saving time for convenient use

Strong Material


The thickness paper could be up to 36PT(750gsm) 

Great protection for direct mail, calendars,photographs, awards, computer software and much more


Custom Details



Packaging: Standard export carton packing first, then loading onto pallet.


Delivery Time: About 10 days after confirming order,detail delivery date should be decided according to
production season and order quantity.


Delivery Way: By Air, Sea, Express.

Company Information


ZTJ Packing is an enterprise with skillful workers, professional management team, advanced equipment, deft design and latest technology that can offer competitive advantage products.


With 15 years’ experience in the field of paper printing, ZTJ Packing Company Limited was established in 2012 for the most professional and creative envelopes in China.

Top 3 Manufacturer

As a TOP 3 envelope manufacturer in the industrial,
our main products only focus on the Rigid Mailers,
CD/DVD Mailers, Cardboard Envelopes, Board
Envelopes, Die-cut Boxes and Corrugated Mailers.



—— 01 ——

Is ZTJ Packing a manufacturer or a trading company?

We are running large factory in Guangdong, and we specialized in producing various kinds of stay flat not bending packaging

—— 02 ——

What's the product range of ZTJ Packing?

We are a Printing & Packaging supplier. Our main items are rigid mailers, cardboard envelopes, kraft envelopes, document envelope, bubble envelopes and so on.. Self seal or tuck closure are all available.

—— 03 ——

What is your MOQ?

Our common MOQ is 20,000pcs~30,000pcs per item, then price will be competitive. However we can take sampling method if you can't accept large quantity order, but cost will be higher.

—— 04 ——

How can I get a sample to check your quality?

Samples in stock would be offered for free by freight collect.

—— 05 ——

How to handle shipment?

You can use your own shipping forwarder for whole shipment. Or we will have our competitive forwarders for your choice, and we usually handle shipping terms like FOB Shenzhen, CIF & CNF (port), DDU or DDP. You won't have headache on these import problems.

—— 06 ——

How do I know if my order has been dispatched?

After the items being sent, B/L would be offered for checking the status of the shipment.

Contact Us

Welcome to inquire!

Contact: Mr. Alan Zhou

Phone:0086 13418890176


Whatsapp/WeChat:0086 13418890176

Address:3rd floor ABuilding, 4 Baotian Road,
Longgang,Shenzhen Guangdong518116. China

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