In my Dakine Nomad I have the following.
100oz Bladder
Park Tools Multi-Tool
Mini-Pump
Spare Tube
Patch Kit
Rolled up Duct Tape
Electrical Tape
Zip Ties
4 Pack Single use Crazy Glue (for cuts)
First-Aid Kit
100% Deet Mini Spray
Sting/Bite/Itch Relief Mini-Spray
Flashlight
Whistle
Phone, ID, Car Key