(♡mileage♡) do not become available for use until 1 Day days after your order is delivered to you.
Please note that (♡mileage♡) remain pending in case the order is cancelled or returned. Pending (♡mileage♡) cannot be used as a payment method.
Once the (♡mileage♡) become available (=Total (♡mileage♡) earned - (♡mileage♡) used - (♡mileage♡) pending), you can use them like cash to pay for any purchases.