This is a OPP bag with a tape closure. It's half the size of B4. It's a size that perfectly fits B5 paper. It has high transparency, allowing the contents to be seen clearly. It can be used for packaging handmade goods, apparel products, books, CDs, DVDs, and for gift wrapping. It's also recommended for preventing dirt and dust. It uses anti-static tape. *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. 【Thickness】0.03mm 【Size】Width 195mm x Length 270mm + 40mm 【Quantity】100 sheets This is the same as Crystal Pack or Clear Pack. Type of wrapping: Transparent bag/OPP bag