If you want to take your SLR paddling you need this.

What they say :

Now you can take your SLR to the craziest places and bring home quality images. Safe in the knowledge that your valuable camera is completely protected from mud or water.

Key Features

Tough acrylic lens for top-quality photos and extra protection.

Note: the lens is permanently attached, do not attempt to remove!

Operate all controls easily through the supple TPU material.

Also protects from dust, dirt and sand.