... bulk products quantity is large .We will refund the sample cost to you . B,For example ,If you like our some one item . ... cost we will refund to you ). C,Before we making bulk products for you .we will send the samples to you for confirmed free .When you confirmed ,we will start ... ). B,For example ,if you order 57CM ,and we send 59cm hats or 55cm hats to you .We will give you the right size hats free ...