This lightweight, flexible coffee maker is made of high-grade stainless steel. When not in use simply collapse to a small, flat, compact size to stow in your pack. This set includes a mesh bag and 10 coffee filters. Weighing in at 1.6 ounces this little coffee-creating device fits lightly and compactly in your pack. When you wake up on your next multi-day Sierra excursion make sure you have the Helix Coffee Maker for a warm cup of joe on the go on the trail.