Tuff Stuff TS-ANX-DLT-TH Roof Top Tent Annex Room, W/ Floor, (Fits Delta & Trailhead Tents)Looking to add some more usable space to your Delta or Trailhead tent? The Tuff Stuff Delta and Trailhead Annex Room is the solution. This annex features four walls and a heavy duty PVC floor. Add a completely enclosed space perfect for use as a changing room or an extra sleeping area. The optimal height is approx. 76 78" from the ground for the annex room to lay properly.