We like really strong stuff that doesn't break so we include black PVC coated STEEL quick release hooks that work with the OEM cargo area D rings. Be sure to select "originally equipped with 3rd row seats" if applicable as they are different.
The back area is completely closed up so that...
The one we build blocks up that back very well and also is mounting with steel anchors and adjusts for load height if needed. Really strong, actually keep your gear in the back and doesn;'t pop up and off.
Raingler 4Runner Cargo Cover
Can add front coverage too:
If it is an option, there is a blem unit available (upper barrier net only). If you do want it, DM me so we can get the proper mounting kit for your application.
As mentioned the mosquito netting on the back window may be cheap and easy enough for occasional use. Cut, fit and magnet or similar.
We did build an option out of really heavy duty mil-spec mesh for the side windows specifically for the rear side window though. (our back window cargo net...
Pull out the panel is best and safest. Just made some simple "L" brackets to anchor solid and cut trim panel exactly so it is a tight fit. Yes, the panel is "permanently" modified but no rattles and solid as hell. It's staying there forever just as if it came that way in ours.
The shops will...