What materials are available for the bags?

We offer Co-extruded Plastic Film, custom HDPE, LDPE, Biodegradable, and Recycled materials.

Is customization available for size and color?

Yes, size, style, color, and logo are fully customizable. Colors can be white outer surface with printing, black inner lining, or custom per client requirements.

What are the lead times for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

Customizable Self Sealing Bag for Express

Name: Customizable Self Sealing Bag for Express
Brand: Qingdao Kunpeng Plastic Products Co., Ltd.
SKU: 2131597702

Shandong, ChinaQingdao Kunpeng Plastic Products Co., Ltd.

US$0.01-0.10

50,000 Pieces

Sample price:US$0.20/piece.Request sample

Product profile

Customization

Available

Application

Clothing Packaging, Cosmetic Packaging, Food Packaging, Gift Packaging, Medical Packaging, Stationery Packaging

Material

Plastic

Sealing Method

Self-sealing

Transparency

Transparent

Waterproof Performance

Waterproof

Safety

Food Grade

Slider Color

Custom

Printing

Gravure Printing

Structure

Side Sealed

Logo

Customized

Pressure

Yes

Tightness

Temperature

Carriage

Yes

Usage

Courier

Feature

Disposable

Shape

Seal Bag

Making Process

Plastic Packaging Bags

Raw Materials

Low Pressure Polyethylene Plastic Bag

Bag Variety

Your Bag

Transport Package

Carton

Specification

20cm*30cm*8cm

Trademark

kunpeng

Origin

Shandong

HS Code

3923210000

Production Capacity

100000piece/Month

Key features

Customizable Size & Thickness: Sizes and thickness (20-160 microns) are fully customizable to meet specific requirements.

Multi-Material Options: Available in Co-extruded Plastic, HDPE, LDPE, Biodegradable, and Recycled materials.

High-Quality Gravure Printing: Supports plain or custom design printing with up to 10 colors for branding.

Versatile Application: Suitable for clothing, cosmetics, food, gifts, medical, and stationery packaging.

Superior Protection: Features waterproof, shock resistance, strong adhesiveness, and high tensile strength.

Eco-Friendly & Durable: Options include biodegradable and recyclable materials with disposable convenience.

Certified Quality: Complies with ISO9001, ROHS, REACH, and other international safety standards.

Direct Factory Price: Manufacturer direct supply ensures competitive first-hand pricing and stable delivery.

Company profile

Importers and ExportersYears of Export ExperienceFast DeliveryQuality Assurance

Qingdao Kunpeng Plastic Products Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.96h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company with broad trading and product offerings, including plastic bags, packaging, office supplies, textiles, and related goods. It demonstrates R&D activity, recent new-product development, ODM availability, and customization from samples, designs, or full specifications. It also reports OEM service for well-known brands and in-stock capability. However, manufacturing capacity has documented weaknesses: there is no valid contract with associated subcontractors, the manufacturing plant is 230.0 m², and no formal supplier-capability assessment procedures or records are maintained. Overseas support is limited, with no overseas agents, branches, warehouse, showroom, or trade-show participation. Financial information is represented only by years, without sufficient evidence to assess credibility. No certification or customer-case evidence is provided.

Supplier typeThe supplier is explicitly classified as a combined company rather than an offshore company. Its described offerings cover export trade, manufacturing, service, quality control, R&D, and related information, indicating a mixed business profile rather than a narrowly specialized entity.

R&D capabilityThe supplier states that it had new products during the past year, provides ODM services, and supports customization from samples, designs, and full specifications. However, it reports no available SDK, which limits evidence of software or SDK-related R&D capability.

Production capacityThe supplier reports a 230.0 m² manufacturing plant, in-stock capability, and stated peak-season and off-season lead times. Against this, it has no valid contract with associated subcontractors and no written or followed procedures for assessing effective supplier service capability, creating documented production-governance weaknesses.

Customization capabilityCustomization is explicitly available from samples, designs, and through full customization, supported by stated R&D and ODM capabilities. The product keywords also identify multiple bag and packaging categories, providing direct evidence of customization-oriented offerings.

Product Q&A

Q:Are you a manufacturer?

Yes. The address is in Qingdao. We have been committed to provide professional solutions for the printing and packaging industry for years.

Q:Can I get sample bags?

Yes. We can provide you free sample bags with different materials and sizes for your choice and quality checking.

Q:I have a new product and I am looking for the perfect packaging solution. What should I do now?

Please contact us through our online service. Experienced service team members will contact you to fully understand your needs and preferences. Based on this, our team will provide you with a set of packaging solutions, including the best design, materials, dimensions, etc. to meet your needs.

Q:What is your price and how do I get a quote?

We are the manufacturer and only the first hand price is here. Please provide us the following specifications to get a quote: (1) Bag type (2) size, (3)material (4) thickness (5) printing color (6) quantity (7) artwork design in AI / PDF / CDR

Q:What should I do if I find a quality problem when receiving the goods?

You can send us feedback, we will check and reply in time. All your products quality are assured by Made in China .