Lightweight enough that adding it doesn't change how the host pack rides Drop-in replacement for the corresponding Kriega bag, so swap-in takes minutes not hours Smart upgrade path when the original liner has finally given up after a few seasons Doubles as a standalone dry sack for camping, kayaking, or any situation that demands real water protection Roll-top closure forms a tight seal even after years of folding and unfolding TPU-welded seams, not stitched — no needle holes for water to find Hook-and-loop tabs hold it securely inside the parent pack Heads up — if your Kriega liner has finally given up after a few seasons of abuse, you're in the right place. These are 100% waterproof, drop-in replacements for the inner liner in compatible Kriega bags. TPU-welded construction means no stitched seams to leak. The bright white interior makes it dramatically easier to find small items at the bottom of a packed bag, and the hook-and-loop tabs lock it cleanly into the host pack. Swap takes minutes, not hours, and you'll get the original waterproof performance back like it was new. Doubles as a standalone dry sack at camp or on the boat. Pro tip: if you ride year-round in real weather, replacing the liner every few seasons keeps your bag performing like new. The TPU welds are bombproof, but the constant fold/unfold cycle eventually wears out any liner. This is the easy fix. Compatible with the corresponding Kriega bag — check fitment in the title. You may also like Kriega Replacemnt Liner Os22 Kriega Tank Velcro™ Fixings Kriega Hydration Tube Mount Horizontal