Wholesale Waterproof Postal Mailing Bag Self-Seal Plastic Courier Shipping Envelope

Name: Wholesale Waterproof Postal Mailing Bag Self-Seal Plastic Courier Shipping Envelope
Brand: Shandong Security Seal Co., Ltd.
SKU: 2057519022

Shandong, ChinaShandong Security Seal Co., Ltd.

US$0.03

1,000-9,999 Pieces

US$0.02

10,000-49,999 Pieces

US$0.01

50,000+ Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Sealing Method

Self-sealing

Material

Plastic

Model NO.

Small Medium Large

Size

Custom Size Accepted

Waterproof Performance

Waterproof

Product Name

Poly Mailer

Feature

Explosion Proof Edge High Adhesion Waterproof High

MOQ

1000PCS

Thickness

2.3mil/2.5mil/3mil/50-200microns/Customized

Logo

Accept Customized Logo

Tolerance

±0.005

Transparency

Non-Transparent

Transport Package

Carton Packing

Specification

customer customization

Origin

Shandong, China

HS Code

392321

Production Capacity

500 Million/Year

Key features

Custom Size Options: Available in standard sizes or fully customized dimensions to meet specific needs.

Custom Logo Printing: Accept customized logos with UV or gravure printing up to 10 colors.

Waterproof & Tear Proof: Features strong adhesive glue, shock proof, moisture proof, and tear resistant properties.

Wide Thickness Range: Available in 2.3mil, 2.4mil, 0.05mm, 0.06mm, 50microns, 60microns, or custom thickness.

Fast Delivery: Efficient production lines ensure short lead time within 7-15 days after payment.

ISO & SGS Certified: Products certified with ISO9001, SGS, TUV, GRS, and other international standards.

OEM & ODM Service: Full customization support including size, color, and logo for OEM and ODM orders.

Free Stock Samples: Free samples available for existing stock or standard sizes upon request.

Company profile

High Repeat Buyers ChoiceQuality AssuranceStandardized quality controlPrivate Mold

Shandong Security Seal Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 4 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.92h

AI-Powered supplier vetting

SummaryThe supplier specializes in R&D and offers 3D software design services, ODM, and OEM capabilities, indicating strong customization skills. However, the lack of valid manufacturing contracts and overseas infrastructure may limit their market reach. Financial credibility is difficult to assess due to incomplete information. They have some quality assurance in place but lack standard operating procedures for outsourcing. The supplier's business scope is broad, covering various product sales and manufacturing.

Supplier typeThe supplier is a professional technical supplier with a broad business scope covering sales and manufacturing of various products.

R&D capabilityThe supplier has demonstrated innovation capability with new products in the past year and offers ODM services.

Production capacityThe supplier operates three production lines but lacks valid contracts and ongoing volume reconciliation, which may impact production reliability.

Customization capabilityThe supplier offers customization from samples and provides ODM and OEM services, indicating strong customization capabilities.

Product Q&A

Q:Are you a manufacturer?

Yes, we have been in producing Poly Mailers for ten years, our factory located in -----City, Shandong Province.

Q:Do you have stock products to sell?

Yes, We have common sizes in stock. We also work on OEM orders. That means our products are customized as your requirement.Your logo can be printed on the products.

Q:If we want to get a quotation what information you need to know?

-Detailed specs(Material, Size, thickness, color, Logo sketch or photo) -The demand quantity -Packaging -Other special requirements

Q:What is your samples policy?

-Free charge for our exist stock samples or standard size samples. -Samples charge for special size and custom printing. -Samples courier cost: Consignee provide their courier(Fedex/DHL/UPS/TNT etc) account to -collect the samples If consignee has no courier account, we will prepay the courier cost, and -we will bill the relevant courier cost into the samples invoice.

Q:What advantages do you have?

-Professional. We focus on producing Poly Courier Bags for ten years, with an experienced management team and skilled production lines which are under strict quality monitoring. -Fast Delivery. Your orders will be arranged to production line under an efficient order management process, our large capacity enable your order to be finished and be delivered with a short lead time. -Integrity. We always did well for what we have committed to our clients. -Price. We are the direct supplier that own fa