Using your GSI Escape Bowl is a breeze. First, expand the bowl from its collapsed state. It stands at 5.8 cm high when fully expanded. Screw on the lid tightly to keep your food safe. You can use the molded graduations inside the bowl to measure your food or ingredients accurately. The handle makes it easy to hold the bowl while you're on the go. When you're done using it, just collapse it down to 2.7 cm high and pack it away. As for maintenance, hand - wash the bowl with mild soap and warm water. Don't put it in the dishwasher as the high heat might damage the materials. Store it in a dry place to keep it in good condition. Also, be careful not to over - tighten the lid to avoid damaging the polypropylene. With proper use and care, this bowl will serve you well on all your backpacking trips.