[Material]: Coffee Filter shape retainer is made of PETG material, which is sturdy and can be used for a long time. [Design]: 20 ribs are designed on the coffee filter cup, corresponding to the corners of the origami filter cup, so that the filter paper fits the origami filter cup better and facilitates the flow of hot water without accumulating on the paper . [Compact Size]: which is small, , easy to carry and store, and does not take up space. [Transparent Color]: The filter paper shape retainer, clear design allows you to see whether it fits well, adding fun and enjoyment to your coffee making experience. Filter paper assistant can fix the filter paper and make the filter paper fits the filter cup. Colour:Transparent Material:PETG Package Contents: 1 x Coffee Filter 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.