flea n tick sprayofder (Little Carleton FY3)

Offe2 boxes of flea n tick spray still sealed bought in error of seller on facebook wen recived it i tried to return it bsck to them but got told would cost to much to return back to china cost me either £24.or £36.00 n was given 20% to keep but was expedting more:than £6 .50p so looking for good home genuine enquires only please no timewasters:thanks in asvance