(not fully) Waterproof car documents holder

Hiding your documents below the passenger seat is not a good idea they told me. They were right. 

It gets quite wet down there with the water ingress in the passenger footwell. I still have to find where it comes from.

Thankfully the only valuable document in there was my proof of registration and it's so plasticky that it would probably survive a cycle in the washing machine. The insurance and MOT-equivalent were laser printed on quality paper and just needed drying with paper towel on the window sill.

Inkjet printed sheets such as the copy of the certificate of conformity issued by Caterham France (with the original kept safely at home) and the road legal certification for the Philips Ultinon LEDs were just a messy block but could be re-printed anytime.

Other than that, this 10€ allegedly water and fire proof document holder is rather nice. I'm sure it wouldn't let any rain or splash get in. But no zipper could tackle full-on immersion for days.