Do you store your essentials in a ziploc bag when running? Here's a more permanent, durable and fun solution from Answer4. A PVC run-ready wallet with 2 zippable compartments that looks great when you're done with your run too.
Details, details
Material: PVC
Thickness: 0.3mm
Weight: 16g
Do not:
Store food
Place it near heat sources--it can melt
Use in extremely low temperatures--it can harden
Open forcefully
Leave in direct sunlight for extended periods of time