2 Piece rear bulkhead, clamps in place to the B pillar. It can be ran without the rear window or top half as well, creates a wind block and also keeps material or cargo from entering the cab. Sold as the 2 piece set, not sold individually.

Rear window is glass, it won't scratch like other plastic window options. 

Works with OEM Bikini top, Fortress Roof, Hardcabs Roof and More