Introducing the Air Stream Dry Sack Pump, the ultimate dual-purpose gear for outdoor enthusiasts. This innovative product serves as both a dry sack for storage and a pump for inflating your Sea to Summit sleeping mats and Aeros pillows. Crafted from lightweight 15D Ultra-Sil Nano material, it ensures your clothing and sleeping bag stay dry and compact inside your backpack. The low profile valve plug seamlessly connects with the multi-function valve, making inflation quick and effortless. Elevate your camping experience with this versatile and essential tool.