This listing is for hard top inside surround seal to fit 2011-2017 Wrangler JK with factory hard top.  This gasket seals agains hard top, where lift gate glass shuts against. 
This Hardtop to Lift gate Glass Weatherstrip acts as the barrier to keep the elements out of your rig.  In addition to keeping an air and water tight seal between the Hardtop and and the Lift gate Glass, the Weather strip helps deaden road noise and vibrations that make their way to the Hardtop.
Fits factory hard top only, does not fit other models.  Top quality product.