Polyester Bag with Zipper are multi-functional storage products designed around a sealed zipper closure. They are dustproof, moisture-resistant, and highly protective, available in various styles for office, digital accessories, home, outdoor, and gift-giving purposes. The zipper closure keeps items secure and organized, making these bags practical, versatile, and ideal for everyday storage. Below is a detailed overview of their features in terms of type, purpose, materials, grades, and size.
Main Styles
Polyester zipper bags can be divided into five categories based on usage scenario:
- Office Document Zipper Bag: Equipped with internal dividers and a sealed zipper, specifically designed for A4/A3 documents, contracts, and brochures. Prevents dust, wrinkles, and loss of materials, ideal for office organization.
- Digital Accessory Zipper Bag: Features a built-in shockproof layer and multiple compartments, combined with a smooth zipper. Perfect for small electronics such as power banks, earphones, and cables, protecting them from scratches, impacts, and minor drops.
- Home Storage Zipper Bag: Transparent window, moisture-proof coating, and resealable zipper. Suitable for storing seasonal clothing, bedding, and shoes. Enables quick retrieval while preventing dust and mildew, optimizing home organization.
- Outdoor Portable Zipper Bag: Made from waterproof and durable polyester with a waterproof zipper. Ideal for storing small outdoor essentials like phones, energy bars, or camping tools. Provides excellent protection in humid or rainy conditions.
- Gift Packaging Zipper Bag: Exquisite printing with gold foil stamping, soft lining, and high-quality zipper. Perfect for beauty samples, snack boxes, and premium gift items, enhancing perceived value and sophistication.
Core Uses
The core functions of polyester zipper bags focus on "secure storage and protective organization":
- Office Organization: Stores documents and materials efficiently. Zipper closure and dividers prevent wrinkles, loss, and misplacement, improving work efficiency.
- Digital Protection: Shockproof and secure, suitable for small electronics and accessories, protecting items from scratches, impacts, and minor water exposure.
- Home Storage: Organizes seasonal clothing, bedding, and shoes. Moisture-proof coatings and sealed zippers protect items while saving storage space.
- Outdoor Travel: Waterproof and durable, protecting small outdoor items in varying humidity and weather conditions. Enhances portability and convenience.
- Gift Packaging: Protects and presents gifts elegantly. High-quality zippers, lining, and printing elevate brand image and perceived value.
Commonly Used Materials
Material selection depends on usage scenario, combining durability, waterproofing, and lightweight requirements, with matching zipper accessories:
- Basic Fabric: 190T–210T polyester. Lightweight, soft, cost-effective, easy to carry, and printable. Ideal for office document and small digital accessory bags.
- Waterproof Fabric: 210T–290T polyester with PVC/PU coating and waterproof zippers. Provides splash resistance, suitable for outdoor or damp indoor environments.
- Durable Fabric: 290T–300T thickened polyester. High toughness, tear resistance, and strong load-bearing capacity. Works well for heavy-duty storage or premium gift packaging.
- Auxiliary Accessories: Includes standard plastic zippers, waterproof zippers, transparent PVC windows, and nylon dividers, tailored to the functional requirements of each bag type.
Product Grades
|
Product Grades |
Commonly Used Materials (Reference) |
Craftsmanship and Accessories |
Applicable Scenarios |
|
Economy Model |
190T Basic Polyester Fabric |
Standard plastic zipper, simple monochrome print |
Low-cost scenarios such as bulk purchasing on campus and internal document storage in enterprises |
|
Standard Model |
210T/290T Polyester Fabric with Waterproof Coating |
Waterproof zipper, four-color high-definition print, reinforced accessories |
Everyday use scenarios such as home storage and general outdoor use |
|
High-End Model |
300T Thickened Polyester Fabric with High-Density Waterproof Membrane |
Metal zipper, supports hot stamping, embroidery, and other processes |
High-end gift packaging and brand-customized zippered bags |
Standard Size Reference
Standard sizes are categorized by product type and storage item, balancing capacity and ease of use with zippers. Custom sizes are also available to flexibly adapt to various needs:
- Document Storage: 30×25cm (A4 standard documents, contracts), 42×30cm (A3 brochures, large documents).
- Digital Storage: 15×20cm (earphones, data cables, etc.), 25×18×5cm (dedicated storage for power banks).
- Home Storage: 50×40×30cm (clothing storage), 80×60×40cm (bedding, down jackets, etc.).
- Outdoor Storage: 20×15×8cm (phones, energy bars, etc.), 30×25×10cm (outdoor accessories).
- Gift Storage: 25×30×8cm (cosmetic samples, small snack gift boxes), 35×45×12cm (large gift packaging).
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