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I'm interested in exploring your offerings of anti-theft zipper luggage bags. Could you provide more detailed information about the available options? Specifically, I'm looking for various styles, sizes, and colors, as well as any unique features that enhance security. Additionally, it would be great to know about the materials used and any customization options you might offer. If possible, please share your pricing tiers depending on order quantities, lead times for production, and any bulk order discounts. I'm eager to understand your standard shipping methods and timeframes as well. Your prompt response will be appreciated as I'm looking to make a decision soon. Thank you!