可以做到单手开合，单手拿取滤纸，为了方便实用可以使用魔力双面胶固定住盒子

内部尺寸为158mm

几乎兼容多有常用咖啡滤纸，大概能放90张左右

It can be opened and closed with one hand, and the filter paper can also be retrieved with one hand. For convenience and practicality, you can use magic double-sided tape to fix the box in place.

The internal dimensions are 158mm.

It is compatible with most common coffee filters and can hold about 90 sheets.