The future of washing on-the-go fits in the palm of your hand and uses ultrasound to get your garments clean. Called Dolfi and designed by MPI Ultrasonics, the little handheld clothes washer can tackle everything from your delicates to your toughest stains using minimal energy and water. Just drop your garments in some water, toss in the Dolfi and your clothes will be clean in 30 to 40 minutes.