Why cannot use coupon

Check coupon conditions before use it. Please make sure your order size reaches the coupon requirements & the coupon deadline is valid (not expire yet). Coupon type 1. Get US$5 OFF when order size is US$70 or over. Coupon type 2. Get US$30 OFF when order size is US$200 or over. Coupon type 3. Get 10% OFF when order size is US$1 or over.