So fantasy! Travel backpack can be changed to  a waist bag  !!     

Ballistic Nylon Waist Travel Folding Backpack

Materials:

1000-Denier water and abrasion resistant light-weight ballistic nylon fabricTeflon fabric protector for grime resistance and easy maintenanceYKK high strength zippers and zipper tracksUTX-Duraflex nylon buckles for low sound closuresTriple polyurethane coated for water resistanceHigh tensile strength nylon webbingHigh tensile strength composite nylon thread (stronger than ordinary industry standard nylon thread)Internal seams taped and finishedParacord zipper pullsStress points double stitched, Bartacked or "Box-and-X" stitched for added strength

Cleaning Instructions:

MaxGear's nylon fabric is treated with Dupont Teflon for superb water and grime resistance.

To clean, simply wipe down with a damp cloth. Allow gear to dry naturally.

Do not machine wash.

Do not use detergent or bleach.

"X" system gives convenience to put the stuff on it like flashlight , umbrella,ect... so that you can take it under emergency circumstance.

Ballistic Nylon Waist Travel Folding Backpack