This is a set of transparent card cases and mask design stickers. You can hide the face part of your driver's license or My Number card with the balaclava sticker. Each set includes 4 transparent cases and 4 stickers. ■How to Use■ Insert your My Number card or driver's license all the way into the card case. Peel off the sticker along with the transparent transfer sheet and apply it over the face photo. Simply peel off the transfer sheet, and you're done. Please refer to the product images for details. *If the sticker does not come off with the transfer sheet due to strong adhesion, gently bend the backing paper to lift the sticker. *Please be careful not to apply the sticker directly to your driver's license or other cards. <<Purchase Bonus>> As a bonus, we will include a sticker to hide the My Number or driver's license number. Please check the photos for instructions on how to use it. We are listing items by series, so if you need multiple, please use the bundle request feature. For bundled shipping, we will offer a discount of 180 yen (shipping cost) for the second item and subsequent items. *Please note that discounts cannot be applied if you purchase without using the bundle request.