This is a set of a clear card case and mask design stickers. You can use the balaclava stickers to cover the face on your driver's license or My Number card. Each set includes 4 clear 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 with the clear transfer sheet and apply it to the face photo. Remove only the transfer sheet to complete. Please refer to the product images for details. ※If the sticker's adhesive is strong and doesn't come off with the transfer sheet, slightly bend the backing paper to lift the sticker. ※Please be careful not to stick the stickers directly onto your driver's license, etc. <<Purchase Benefit>> As a bonus, we will include stickers to hide the My Number and driver's license number. Please check the photos for how to use them. We are selling items separately by series, so if you need multiple items, please use the combined order request. For combined shipping, we will discount the price of the second item and subsequent items by 180 yen (shipping cost). ※Please note that the discount will not be applied if you purchase without making a combined order request.