In a nutshell:
Similar to the bags used by river rafters and kayakers, our dry bags will keep your gear safe and dry inside your panniers, and you can even use a marker on the outside of the bag to list its contents. Don’t trust your clean socks and sleeping bag to plastic bags that can easily tear. Available in 4 sizes (in Liters): 23L (rear panniers),13L (front panniers), 8L (all purpose), 6L tube (for sleeping pad).