Why carry your tools yourself? Strap them to your bike and forget about them until you actually need them. Enough room for a CO2 cartridge, a small selection of tools + tire levers, and a spare tube.
Specs:
Adjustment: Stretch hook and loop strap
Construction: Ripstop nylon
Gripper: Printed silicone grip
Other: Tri fold design
Pockets: 3 inner