Safe material Coffee filters are made from pure natural paper material, environmentally friendly. The texture is thick and durable even when wet, so they wont tear and ruin your coffee. What you get 100 filter papers in the package. The filter forms are 4.72 inches long on both sides and 6.4 inches at the top. Perfect fit for your filter cup. One filter paper can filter 1-4 cups of coffee. Easy to use Rinse the filter paper with boiling water before use. Pour the right amount of coffee powder into the filter, then hand brew to a aromatic cup. The disposable filter and used grounds can be removed together and discarded in the rubbish bin. Hygienic and convenient. Pure flavour Unbleached filters help preserve a pure, smooth coffee flavour. They filter out excess oils and fine grounds, resulting in a cleaner taste. Use scenarios - Home pour-over or single-serve to small batches (1-4 cups per filter). - Office coffee station for quick, clean pouring. - Travel or camping with a compatible filter cup for fresh brew on the go.