These are bubble mailers suitable for shipping DVDs and similar items. Feel free to use them! ※ The measuring tape in the photo is for size reference only and is not included with the product. ※ Shipping will be via Takkyubin (Yamato Transport) size 80 (shipping cost: 850 yen). ※ Nekopos (Yamato Transport's mail service) has a thickness limit of 3cm. While you can fit a 2-disc DVD set, please note that it will exceed the Nekopos size limit. ※ The price includes shipping and handling fees. Please refrain from further price reductions.