Scrub up well
Take a Scrubba on your next trip and you can cut down on your packing list. The 5oz washing bag has been dubbed "the world's smallest washing machine" – put your dirty clothes in, fill with water and detergent, zip it up and jiggle it about. Inside, hundreds of "nobules" act as a scrubbing board, cleaning your clothes quickly and efficiently. Rinse, remove and dry, and you're ready to go (A$59.95/£37; thescrubba.com).