china bulk private label cosmetic bag factory

The waterproofing of a cosmetic bag requires careful consideration of three aspects: material selection, processing, and maintenance:

1. Waterproof Materials

Leather/PVC Composite Material

Features: The surface is dense and non-porous, allowing liquids to bead up and roll off upon contact. Daily spills are easily wiped away, making it suitable for travel with easily spilled liquid cosmetics like toner and makeup remover.

EVA Neoprene Material

Core Advantages: Its compact molecular structure prevents long-term water penetration, and the interior remains dry even after being soaked in water for 30 minutes. The embossed surface enhances hydrophobicity, allowing stains to be easily removed with a wipe.

High-Density Nylon

Functionality: Treated with a waterproof coating (such as TPU lamination), it is abrasion-resistant and deformation-resistant, and its waterproofness is not affected by repeated rubbing. It is lightweight and foldable for daily commuting, and can withstand daily rain splashes.

Engineering Plastics

PC Transparent Material: Fully sealed injection molding, with zero gaps when zippered closed, keeping items inside dry even in heavy rain. The box-like structure resists crushing, making it ideal for storing fragile items such as glass bottles of serums.

II. Sealing Technology

A [Process Upgrade] --> B [Laminating Edge Sealing]

A --> C [Fluorine-Free Waterproof Finish]

B --> D [Heat-Pressed Sealing Tape on Seams to Prevent Water Penetration]

C --> E [Fluorine-free water repellent + cross-linker formula: Waterproof score > 90 after 5 washes]

Enhanced by Nanotechnology: Super-hydrophobic surface treatment allows water droplets to roll off automatically, reducing absorption.

Zipper Protection: Resin zipper teeth and fabric strips wrapped around the ends enhance the seal for repeated opening and closing.

III. Usage and Maintenance

Zone Moisture Control

Built-in silicone moisture absorbers lock in excess moisture; replace monthly.

Repackage moisture-sensitive items (such as pressed powder) in sealed bags to create a localized dry environment.

Regular Maintenance Measures

When cleaning, wipe the surface directly with a damp cloth; avoid soaking or rinsing.

Spray a dedicated waterproofing spray monthly, focusing on reinforcing seams.

Let dry thoroughly in a cool, well-ventilated area before storage to prevent mold growth.

Select products with a waterproof rating of IPX4 or higher (such as neoprene cosmetic bags) for increased reliability in high-humidity environments like bathrooms.

Our main products include backpacks, cosmetic bags, laptop bags, travel bags, fashion bags, shopping bags, drawstring bags, cooler bags, school bags, diaper bags, and other handbags. We also offer OEM and ODM processing.

We have our own professional R&D team and are organized into eight core departments:

● Sales Department (liaises with customers regarding product needs and promotions)

● Design Department (develops and designs new products for customers)

● Cutting Department (cuts bulk materials)

● Production Department (production line for bulk goods)

● Packaging and Quality Inspection Department (inspects and packages bulk goods)

● Warehouse Receiving and Shipping Department (counts and ships goods)

● Accounting and Receiving Department (keeps records of the company's entire production process)

● Logistics Department (follow-up and provides service) to ensure the quality of your products.

Q1: Can I customize your design (color, material, size, construction, and logo)? A: Yes, we support both OEM and ODM designs. We can create custom logos on our products through embossing, hot stamping, silk screen printing, laser engraving, embroidery, or metal plate printing.

Q2: Can I order samples? Is the sample fee refundable?

A: We are happy to provide you with samples for an initial fee. Once the order is confirmed, we will refund your sample fee. The fee will be reduced by your order amount or refunded to your account immediately.

Q3: What is your sample delivery time?

A: Normally, it's 7-15 days.

Q4: What is the minimum order quantity?

A: 5,000 pieces for a single style or single color.

Q5: What is the lead time for mass production?

A: 30-60 days, depending on the style and order quantity.

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