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Roll-top dry sack that doubles as a convenient pump sack for inflating a Therm-a-Rest sleeping pad equipped with a WingLock or TwinLock valve

Inflate camping air mattresses faster than breath inflation with the BlockerLite Pump Sack; Easily snaps onto Therm-a-Rest WingLock and TwinLock valves (Incompatible with models older than 2020, models equipped with the Standard valve, and non Therm-a-Rest product)

Built with ultralight waterproof BlockerLite material from SealLine, this dry sack is extra durable and features welded seams to keep gear protected

The versatile pump sack can be used as a lightweight 20-liter dry sack when it’s time to hit the trail. Top fabric type: 20D Rip Nylon

Measures 10 x 5.5 x 24 inches and weighs 5 ounces; made in the USA