By selection of the container, it is possible to repackage nearly everything flat, or at least in a rectangular stuff sack like that of Granite Gear Air Space and the Granite Gear Air Compressor compression sack for the sleeping bag to stuff into the corners of the pack. This utilizes nearly all of the volume in the backpack.

This also prevents movement. It is undesireable for the load to shift at awkward moments.

If anything in a backpack is angular, or heavy and hitting against you, or water or fuel is sloshing in a container, or the contents of the cookset are constantly rattling and clanging at every step on the trail, the answer usually is to repackage it. If not, a little creative padding may help.

Because my primary pack carry is a 40-liter pack, I like the soft Granite Gear AirVent Reduction PackLiner and Sea to Summit eVac Dry Sack.

I particularly like how the Granite Gear Square Rock Solid Compression Sacks slide over the sleeping bag so nicely, when I pack. Perhaps this is why my really "big" synthetic sleeping bag now packs to a smaller size. This compressor even compresses my roomy Sierra Designs Dreamweaver sleeping bag, so it all fits nicely into the bottom of my huge Lowe Alpine Attack 50 pack.

Before this, I was using the Lowe Alpine Attack Summit pack for the sleeping bag stuff sack. This pack still remains my summit pack, when I am carrying the Lowe Alpine Attack 50 pack. The use of a summit pack in this manner is quite common.

Then, I will loosely pack some high volume item, down jacket, half bag, or the like. This makes a nicer, and more flat load, with all the more lumpy gear nestled inside.

The Pouch Space Bag is 12 x 14 inches and the Coleman Space Savers small compressible roll-up is 14 x 20 inches.

In addition, the 13.75 x 19.5 inches Travel Space Saver Space Bag Roll Up & Go carry on size, included in the package with two different sizes may be right for your pack.

The small and extra small are nicer for the older GoLite Breeze and my much older front-opening North Face Big Shot pack.

These size and brand guidelines may help you develop strategies for packing the higher volume items.