Granite Gear AirVent Reduction Packliner
Here's what other sites are saying:
Ultralight waterproof roll closure bulk reducing sacks that are ideally shaped for easy and efficient packing. The extremely waterproof breathable eVent bottom allows air to escape as the sack is roll-compressed. Features an arched rolling stay that helps keep the top of the sack open while loading. Designed to be used in your backpack. Made from 70D Cordura® HT Nylon. Size: MD- 11.5" W x 18" L x 38.5" H, LG- 12.5" W x 20" L x 46.5" H
- Vargo Outdoors
Use the Granite Gear AirVent Reduction PackLiner to protect your gear inside your pack during wet portages. Valve-free sack uses a breathable base made of waterproof, breathable eVent™ fabric, allowing air to be pushed out while keeping water from entering. Tough Cordura® nylon body and liner offer complete waterproof protection. Roll-top closure compresses and seals contents; use external compression straps off your pack to further force air out of sack. Arched rolling stay helps keep the top of the pack open when loading and offers an easy-to-grab handle when sealed. Recommended use as a liner inside an existing pack, not as a dry bag, dry sack or haul bag.