• 4.5 x 4.5 x 2 inch • Constructed of fine polyester mesh with plastic frames • Fits most full size coffeemakers using fluted basket or cupcake style filters • Micro-fine openings for optimum extraction, easy to fill and insert • Never run out of (or buy) paper filters again, dishwasher safe More convenient and economic! Perma-Brew 3 Year Re-useable Coffee Filters offer solutions to the world's most common coffee-related problems. Always ready to use: No more running out of filters! Ecologically sound: No more daily filter disposal! Easy to fill: No more trying to separate a single filter from a stack of paper filters! The filters' rigid shape makes them easier to fill with coffee and easier to insert in the coffeemaker than paper filters. They feature micro-fine filter openings which retain coffee sediment while flavor and aromatic components pass through for optimum extraction and "fresh brewed" taste.Package Type: Blister Card