2.Sample cost shall be paid for if you need second time.
3.You need to send us inquiry before getting free sample.
4.You need to pay for the shipping cost : there are economic(low to $5)and express shipping methods for your option.
5.Only accept payment through Alibaba trade assurance.
6.If you have agent in china,shipping cost is also free!
7.If place following order after getting free sample,we will refund the shipping cost of free sample.