The U.S. Made Military Compression Bag works better than any commercial ones you can find.  They pack not only sleeping bags but poncho liner, clothing and any other gear you may have that needs to be compressed.  Made for the 3-season sleeping system there are multiple compression straps and a top and bottom cap to keep your gear well fit inside and clean.   

 Features & Specs

• Tough nylon construction
• Multiple compression straps throughout
• Drawstring-cinch top
• 11.5" diam. base, 28"h.
• 8465-01-547-2670