Please take note that 6 months replacement period is a maximum period you can use. After you opened the lenses, it depends on the frequency you used.
It's wear and tear product, the more frequent you use, you shall dispose it in shorter period time frame. The longest you can use is 6 months. Says you used it every day, then we advise you to dispose it within 3 months.
Shipping is FREE! This product is shipped separately from different warehouses, shipping may be combined and you may not see the delivery time frame during checkout. We will ship with Standard/Economy Shipping and it is estimated to reach you in 15-30 business days.