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For lightning-fast inflation and water protection, the BlockerLite Pump Sack gives you a versatile and lightweight option for gear storage and mattress inflation. Built with ultralight waterproof BlockerLite™ material from SealLine, this dry sack is extra durable and features welded seams to keep your gear protected. Big enough to hold 20-liters of gear, it’s the perfect size to store extra clothing before inflating a high-volume air pad that features the WingLock or TwinLock valve..
