For lightning-fast inflation and waterproof protection, the Therm-a-Rest BlockerLite Pump Sack is a versatile and lightweight option for gear storage and sleeping pad inflation. Designed in conjunction with SealLine, the pioneer of waterproof packs and dry bags, this pump sack features welded seams for unbeatable waterproofness and durability. Big enough to hold 20 liters of gear, this roll-top dry sack is the perfect size to store extra clothing or a sleeping bag, and can also be used to inflate a Therm-a-Rest high-volume camping air mattress with a WingLock or TwinLock valve, such as the BaseCamp, LuxuryMap, MondoKing, NeoAir Camper, NeoAir Venture, NeoAir XLite, NeoAir XTherm, NeoAir XTherm MAX, ProLite, ProLite Plus, ProLite Apex, Trail Pro, or Trail Scout sleeping pads (not compatible with Therm-a-Rest mattresses equipped with the standard valve). The BlockerLite Pump Sack measures 10 x 5.5 x 24 inches and weighs 5 ounces. Manufacturer’s limited lifetime warranty. Made in the USA.
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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