eVent Sil Ultra-Duty PackLiners are waterproof, roll-closure, bulk reducing sacks that are ideally shaped to fit inside your backpack. The extremely waterproof breathable eVent bottom allows air to escape as the sack is roll compressed. Also features an arched rolling stay that helps keep the top of the sack open while loading and shapes an easy to grab handle when sealed.
- Forms a block shape when compressed that fits perfectly in your pack
- Designed to be used inside your pack and not as a drybag or haulbag
- Arched rolling stay keeps Bloc open while loading/unloading and forms an easy to grab handle when sealed
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