Welcome to SaleHoo. Good to have you here!
Queen Bee of Beverly Hills is an online retail discount boutique that sells designer handbags, luggage, wallets, sunglasses and accessories. I haven't personally dealt with them but I've checked them out and found that their website was registered on May 5, 2003. 6 years online pretty much indicates that they're well-established.
They accept PayPal and all major credit cards so they should be safe to deal with. These forms of payment are safe because they give you a comeback if something goes wrong. With these payment methods, you can usually have the transaction reversed fairly easily if necessary.
As for their products, they appear to be genuine but just to be on the safe side, try to ask them as many questions about their products' authenticity as you can before you go any further. And if possible, request that they provide you with a proof of authenticity of some sort as most brand name items come with paperwork for resale.
Please check out this post for more info on Queen Bee's wholesale program:
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All the best!