Stuff sacs and Compression Sacs from Gelert and Vango, great for making valuable room in your kit. Space is often at a premium when camping or travelling and compression sacks can help to reduce down the size of bulkier items, like pillows and jackets. Stuff sacs can also be useful in helping to protect and organise your gear within your rucksack. Compression sacs are also often used as replacment storage bags for sleeping bags.