SealLine Blocker Compression Dry Sack

Efficient packing and a no-H2O zone. These tough bags have a purge valve to vent air and keep them compact. The rectangular shape creates less dead air space inside your pack, kayak or cycle touring panniers.

• Made from lightweight yet durable 70-denier polyurethane-coated nylon
• Fully radio frequency welded seams create a stronger and more durably waterproof construction than sewn and taped seams
• One-way PurgeAir valve vents trapped air while remaining waterproof so you can compress the bag
• Internal roll top closure is easy to use and seals tight
• 4-strap Continuous Compression system encircles the bag to minimize seam strain while still letting you compress your load
• PackTight shape features flat-side rectangular shapes that nestle close to together so there's less wasted space