FlexFrame Insert (Small) 15inch Anything you want to keep

Anything you want to keep fresher for longer in a storage container

and phones

65/80L sizes not intended to be totally packed out with camera gear

with tons of organizational features

FlexFrame Insert (Small) 15inch Anything you want to keepFlexFrame Insert: Premium Replacement Frame Sheets for Tom Bihn Backpacks and More This frame sheet is designed to fit a range of popular backpacks, including Tom Bihn Synapse 19 and Synapse 25, as well as other backpacks with similar internal dimensions. It provides firm structure and support, offering a perfect replacement for the discontinued OEM version. Transform your favorite backpack with the FlexFrame Insert the ultimate solution for adding