This sticker requests delivery personnel to lock the delivery box after placing packages inside, in order to prevent theft. 【Materials】 Water-resistant and weather-resistant magnetic sheet (made by 3M). 【Size】 6cm (height) x 16cm (width), 0.8mm thick 【Colors】 Base color: Yellow, Illustration: Black 【How to Use】 Attach to iron surfaces where magnets can adhere. Will not adhere to plastic, aluminum, stainless steel, or wood. 【Water Resistance and Weather Resistance】 Water-resistant and weather-resistant (UV cut), so it can be used outdoors. ■Shipping Regular mail (standard, non-standard) For anonymous shipping (Yu-Packet Post Mini, Nekopos), please add 100 yen. Please comment if you would like this option, and I will adjust the price. ■Other Although carefully made, this is a handmade item, so there may be an external dimensional error of within 2mm. If purchasing multiple stickers, we will discount 100 yen for each additional sticker. Please comment with the desired number of stickers before purchasing, and I will adjust the price. We also welcome combined purchases with other stickers we have for sale.