First Item is: VW Touran Webbed Partition Net – Part No: 5TA.861.691
The second item is: VW Touran 5t Support Rails; Guide Rail Boot 5TA861607
Seen here too: https://nemigaparts.com/cat_spares/etka/volkswagen/tou/869/861300/
Seem to only be available secondhand…You need the fitting kit too, some sellers have the whole shooting match, screws, locking buckles, straps and a wee bag to hold the bits when not in use, like here:
In life, it's not who you know that's important, it's how your wife found out.