The ultimate little helper for the caffeine fiend. Unique, collapsible silicon bellows holds a #4 filter to brew 1 to 12 cups of fresh coffee. A wide transparent base provides stable, spill-free brewing support over a myriad sized selection of mugs, cups or bottles. The lid holds heat in while brewing and doubles as a campsite trivet. Fancy. Weighs 4.8 oz. travel dimensions 5.6"×5.5"×1".