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I'm reaching out to inquire about your Reta products. Could you please provide me with more detailed information on the available pack options? Specifically, I'd like to know the different sizes you offer and their respective pricing. Additionally, it would be helpful if you could include details on your minimum order quantity. Also, I would appreciate insights into shipping costs for these products. Understanding the various shipping methods and their associated fees would greatly aid in our decision-making process. Looking forward to your prompt response!