This is a tape-free OPP bag. It's a size that perfectly fits A3 paper (twice the size of A4). It has high transparency, allowing the contents to be seen clearly. It can be used for packaging and wrapping products. It prevents dirt and dust, so it's also recommended for storage. *If you wish to change to Mercari delivery We will accept it for "+100 yen" to the displayed price. Please be sure to contact us in the comment section before purchasing. *We will lightly fold it in half for shipping. 【Thickness】0.03mm 【Size】Width 310mm x Length 435mm 【Number of sheets】100 sheets This is the same as Crystal Pack or Clear Pack.