Custom Logo Large Capacity Teenagers Backpack School Bags For Kids

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Price:$7.60 - $8.40
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Product Overview

Description



Brand
WIN
Item
Custom Logo Large Capacity Teenagers Backpack School Bags For Kids
Model
BP107LP
Material Type
RPET 600D PVC FREE
Whether the folding
Foldable
Whether waterproof
Waterproof
Dimension information
30*12*45 CM
Any mounting system
Yes, but can be supplied by customer
Function and use:
The backpack bag is made of an environmentally friendly material with high strength waterproof function, which is tear resistant, easy to clean, compact, easy to handle and durable. Perfect size, simple design style, to meet the needs of consumers.
Advantage: 
1. Large capacity design 
2. Extra compartments inside the school bag
3. Water resistant fabric is dirty and easy to wash 
4. The whole bag is made of TPU reinforced fabric




Waterproof Material
Our marvellous waterproof quality is based on selected materials that are developed for specific applications. Such materials include polyester, nylon, PVC free, Cordura fabrics etc. that are coated on one or both sides. Winfung's TPU Backing Coating Technology meet extremely high waterproof specifications and are far superior than commercially available coatings method in the market.
Superior Bonding Methods
he coated fabric used by Winfung - including all welded seams - continues to resist leaking when exposed to 20,000pa coloumn of water! This professional degree of waterproofing is achieved using a process known as high frequency welding (HFW). Instead of applying heat from the outside, HFW involves the application of high frequency voltage to the objects that need to be welded. The voltage causes the molecules within the various materials to vibrate and, essentially, to generate heat. Softened from within by the heat, the materials are then bonded under high pressure, leaving the welded seam at least as stong as the surrounding material.


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