Journey Backpack Tactical Water Bottle Holder DUCK TOTE Additional small interior zip up Material 50 polyester Additional small interior zip up pocket designed with hypalon grip tabs and quick snap closures provide a place to store shells or other small gear We had multiple requests to add a water bottle holder to the new Journey Backpack (especially from Dr Duck) which was met with some dismay from others (especially Billy) so we compromised on an insulated 5x7 tactical water bottle holder with a clip that you can add to your new Journey Backpack Holder has a cinch top to more effectively hold in contents and can be clipped to the side of the Journey or any other carry in pack