Hello, need Flip Flops.What is the best price you can offer for 10000 pairs? What is the shipping cost, or how much is it? We would like to customize with our brand logo, can we? Before the main order we can have a sample of them? on se:Hotel Flip Flop Gender:Unisex Logo:Custom logo welcome Printing:Silk printing or custom Thickness:13, 15mm or custom