This is a OPP bag with a tape closure. It's a size that can easily fit 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's also recommended for storage as it prevents dirt and dust. The tape is anti-static. *Will be lightly folded in half for shipping. *If you wish to change to Mercari delivery, it will be an additional "+100 yen" to the listed price. Please be sure to contact us in the comment section before purchasing. 【Thickness】0.03mm 【Size】Width 310mm x Length 435mm + 40mm 【Quantity】100 sheets This is the same as Crystal Pack or Clear Pack.