Granite Gear eVent Sil Waterproof Pack Liners.
The Granite Gear eVent Sil Waterproof Pack Liners are ideally shaped to fit inside your backpack. They are waterproof and breathable. Its eVent bottom allows air to escape, as the sack is roll compressed, yet maintains its wonderful block shape that is ideal for stacking in your pack. It Features an arched rolling stay that helps keep the top of the sack open while loading. It is made from 70D Cordura HT Nylon. It is designed to be used inside your backpack 90-120 liter is for portage canoe packs The Granite Gear eVent Sil Waterproof Pack Liners are designed to be used in your backpack.