eBay
This crossbody says large on the MK tag, but looks to be small.  Crossbody possibly looks larger in the photos.  Please check the dimensions below before purchasing.

Approximate Dimensions-----9.5" (L) X 6.5"(H) X 2"(D)

100% Authentic or your Money Back==Always

NWT Michael Kors Jet Set Item Saffiano Leather Crossbody Bag
Black

Black Colored
 Saffiano Leather 
Michael Kors Logo On front
Zip Top Closure
Gold Toned Hardware
Custom MK Fabric Lining
2 Slip-in Pockets
Approximate Dimensions---9.5" (L) X 6.5"(H) X 2"(D)
 Strap: 20"-23"