Hi Johnathan,
There's not a lot of wholesale channels for Ray- Ban products. You can try and check out the manufacturer for Ray Ban sunglasses, Luxottica
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Contact them directly to inquire about their authorized dealers or distributors, or on how you can become a dealer yourself. However, please note that if you are dealing straight from a manufacturer that a high volume requirement must be met.
If you are on a tight budget and don't want to have too much inventory, you can source legitimate Ray Ban sunglasses from a liquidator:
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Currently they have several stocks of RayBan sunglasses. To look for this particular brand on their website, I recommend using the search function and also make sure you contact them directly (can do this via SaleHoo) in order to get their true wholesale pricing which is always better than you will see on their site. When doing this, provide them with the quantity you are ideally looking for, where you want them shipped to, and how often you plan on purchasing - this helps gets the best possible price.
Hope this helps! :)