This is a sticker to request delivery personnel to lock the package box after storing packages, in order to prevent theft from the delivery box. 【Materials】 Water-resistant and weather-resistant magnetic sheet (made by 3M). 【Size】 9cm (H) x 9cm (W), 0.8mm thick 【Colors】 Background: Black, Text: White We offer black, gray, orange, and green background colors. To find stickers in other colors, tap on the seller and select from the list. 【How to Use】 Attach to iron parts 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. Fading cannot be avoided if attached in a place that is constantly exposed to direct sunlight, so please attach it in a place where direct sunlight is less likely to hit. Please replace it regularly if fading occurs. ■Shipping Standard mail (regular, non-standard) For anonymous shipping, please add 100 yen. Please comment, and we will change the price. ■Other We create these carefully, but as they are handmade, there may be an external dimensional error of within 2mm. If you purchase multiple items, we will discount 100 yen for each additional item. Please comment with the desired number of items before purchasing. We will change the price. We also welcome combined purchases with other stickers we have for sale.