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I'm interested in sourcing white shirt fabric suitable for school uniforms. We're looking for high-quality materials that can withstand regular wear and maintain their color and shape after multiple washes. Ideally, the fabric should be breathable, comfortable for all-day wear, and have a good drape. In terms of specifications, please provide details on the fabric's composition, weight, and any relevant certifications you might have. I would also like to know about your minimum order quantities, lead times, and pricing options. If you have any samples available, that would be great for our assessment. Looking forward to your prompt response!