USD40 is within 0.5kg only, USD20 for SF EXPRESS is within 0.5kg only for mainland China,Hong kong China, Taiwan China, pleaseconfirm with our sales team when more than 0.5ka. The basic freight (for package slka or corresponding volume) depends on the timone and country goods wil arive in 2-5 business days .it does not include any taxes insurance handling, duty (including but notlimited to tarifs) or other similar charges, payment of which wil be solely YOUR responsibility, The actual freight varies according tospecific situations.