ULTRALIGHT DESIGN: Weighs only 0.4 oz, perfect for minimalist backpacking and camping COMPACT AND PORTABLE: Collapsible design fits easily into small spaces for travel and outdoor use ECO-CONSCIOUS BREWING: Reusable BPA-free coffee maker eliminates the need for disposable filters STABLE CLIP-ON DESIGN: Securely attaches to most mugs and cups for mess-free brewing EASY TO CLEAN: Simple to rinse or wipe clean, ideal for backcountry coffee enthusiasts