Backpacks are bags that possess two shoulder straps which allow the wearer to carry the bag on their back. Backpacks are often associated as a student's must have school accessory for carrying books, etc from class to class.
About Polyester:
Polyester is a synthetic material used for making fibers. Polyester has many industrial applications but is most commonly known to be employed in the textile industry as a durable garment fabric due to its strength, resilience, and quick-drying and wrinkle-resistant properties.
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