Tru Earth Eco-Strips Laundry Detergent (Fresh Linen) – Eco-friendly Ultra Concentrated Laundry Strips
Is is a great product when you are backpacking. It is powerful detergent without the weight of water in it. If you have to hand wash an item in the sink, just tear a strip in half. It packs easily and leaves no mess, as it dissolves in the water.