Kriega Replacement Liner for Trail Backpacks When you unintentionally filled your Kriega bag with broken glass or didn't secure the lid on your takeout, this replacement dry liner is essential to bring your bag back to its initial state of being waterproof and pleasantly odor-free. Replacement 100 waterproof dry liner for the Trail Backpacks. Be sure to select the correct size for your bag! Features: 10-year warranty