The Seal Line Blocker Dry Compression Sack is a versatile packing system allowing you to save space on your paddling adventures whilst keeping your kit dry. Ideal for clothing and sleeping bags, the waterproof purge valve allows you to vent excess air to maximise storage space.

• 100% waterproof, ripstop nylon construction
• Waterproof PurgeAir valve for venting excess air
• Continuous compression system prevents seam strain
• Oval bottom to prevent bags rolling around