This is an OPP bag without tape. It's the perfect size for postcards (100mm x 148mm). You can use it to enclose postcards, thank you cards, invitations, and more! Its high transparency makes it suitable for storing and shipping handmade items and small goods, as well as for gift wrapping. *If you wish to change to Mercari delivery: We can accommodate this for an additional "100 yen" to the displayed price. Please be sure to contact us in the comment section before purchasing. [Thickness] 0.03mm [Size] Width 103mm x Length 150mm [Quantity] 100 sheets This product is equivalent to Crystal Pack or Clear Pack.