Are sunglasses also 50% off the second pair?

KAtya:
    are sunglasses also 50% off the second pair? and how do i redeem that?
Linda:
    no, just second prescription
KAtya:
    so not a second pair of sunglasses?
Linda:
    not a second pair of sunglasses
KAtya:
    okay
KAtya:
    if i pay through paypal
KAtya:
    and i live in canada
KAtya:
    can i have my item shipped to us
Linda:
    unfortunately, no. According our policy for international customer we ship our packages  to the billing address only
KAtya:
    how long will i take to canada?
Linda:
    usually, it takes about 5-7 business days for transit time
KAtya:
    and how much does it cost
Linda:
    $24.90 USD
KAtya:
    do u do special treatment or no?
Linda:
    what do you mean?
KAtya:
    nevermind
KAtya:
    lets say ii wanted to exchange my pair
KAtya:
    for a different colour
KAtya:
    would i be allowed to
Linda:
    sure, but you need to read our return policy