This is a tape-free OPP bag. It's a size that perfectly fits A4 paper. It has high transparency, allowing the contents to be seen clearly. It can be used for various purposes, such as protecting documents like flyers and pamphlets, and for wrapping apparel items and gifts. *If you wish to change to Mercari delivery We will accept it for "+100 yen" on the displayed price. Please be sure to contact us in the comment section before purchasing. *If you are looking for a perfect A4 size, "S21.5-30/A4 perfect fit" is also recommended★ 【Thickness】0.03mm 【Size】Width 225mm x Length 310mm 【Quantity】200 sheets (100 sheets per bag x 2) This is the same as Crystal Pack and Clear Pack.