下单以前才发现,你找的这款不能免费直运,因为Sold by LifeMedProducts and Fulfilled by Amazon. 只有Sold and Fulfilled by Amazon才可以免费直运。我帮你找了另外一款,贵2.38美金但是可以免费直运。我直接下单了哈。
http://www.amazon.com/gp/product/B000X1MICY/ref=ox_sc_act_title_2?ie=UTF8&psc=1&smid=ATVPDKIKX0DER