High quality-the solid side will not collapse during brewing. This can minimize the entry of coffee powder into your coffee. Standard size-suitable for coffee machines from 8 cups to 12 cups. The size of this filter is: the base diameter is 105 mm. Excellent taste-paper filter can remove most oil and coffee particles, which will make coffee bitter. Metal and cloth filters can let them into your cup. Environmental protection-biodegradable, made of renewable resource paper. Easy to clean-disposable filters mean you can throw the ground without cleaning the metal filter. size: 18 x 10.5cm Material: Paper colour: white Package Contents: 500 x Coffee filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.