Kriega Replacement Liner for Sling Pro Messenger Bag 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 Kreiga Sling Pro Messenger Bag. Features: 10-year warranty