Secure Fortress of your SD card

The protective case has become for me an indispensable equipment in weddings. It offers more than enough space for 8 SD memory cards and protects them safe from "traditional" environmental influences. I have subjected anyone yet underwater test, however, the rubber lip seems to be strong enough to be meet this requirement. Red wine or mineral water is at least not yet reached the map.
A little tip: I have the two sides marked up with a marking device: An already used for the cards, one for the still empty memory cards. So device in the heat of battle is not the wrong card in the camera and taking pictures is no obstacle! For you!