Infact , I remember the figures.
If you look at my pics earlier, there is a beige carpet at the front of the living space. It is just about 50x100 but as you see , it is fully fitted.
When the seat if forward and bed down, it fully fills the floor
When the bed goes back. There is another space the same size
So I bought a lovely afghan rug 50 x100 that fitted th back space,
And I could slide it forward when the bed came forward...perfect fit.
The only problem was that you can't open the draw with the carpets doubled up( you can the single one)
So I put in the mat you see at the back half, and when I put the bed down, I roll that up and pop it between the drivers seats. Works well.
The other neat thing I did, if you look at the rear pic, is have the quilt and matress z folded back.
So when you put the bed down, you pull the seat forward, back down. Then pull the edge of the matress and quilt. It unfolds, and the bed is ready.
No rolling up and packing up.. It can be done in 30 secs.
This may only work as I have the integrated VW matress topper, with the single thick shelf bit.
Have fun.....I am still juggling and jiggling prior to the summer grand tour. New rear box arrives today!