Lifehack: Use a contact lens case for cleanser and moisturizer on short tripsalvheid (52)in #lifehack • 8 years ago (edited)They hold a couple of uses of the products you need - and they take up almost no space in your bag. They are easy to fill and to clean. Ideal for hiking or carry-on luggage. What are your best tips for packing light? #lifehacks #travel #hiking #life