Revelate Designs' dry-bag/holster, 100% waterproof, seat pack bikepacking system...
Lightweight and colourful dry bags from Ortlieb
A super useful waterproof handlebar bag, in Cordura. Includes KLICKfix.
The ultimate 6-14L bikepacking seat bag
Super handy strong straps for fixing stuff to your bike
A set of waterproof bags for protecting / organising your gear
Swift Industries' roomy and practical saddle bag...