【Mail Slot Security Buffer Device】Large-sized mail slot (3cm x 30cm); Mail slot is equipped with a security buffer; Can accommodate newspapers, mail, delivery services, and Nekoposu within 3cm. 【Instructions for Delivery Drivers & Seal Storage】Includes an instruction sticker for delivery drivers; please attach it in a visible location; There is a seal storage inside the door (peace of mind for receipt signatures); After placing the delivery, press the one-touch lock to secure it, and the delivery is complete! 【You Can Receive Packages of This Size!】The lower compartment can easily hold 6 2-liter PET bottles; No more worrying about heavy items like water or rice purchases; You can receive up to two packages, so you don't have to worry about delivery times even if deliveries overlap. 【Rustproof and Waterproof Features】The roof is made of waterproof material, so it's safe even on rainy days; A noise-reducing cushion is attached to the door, so you can retrieve packages late at night without worrying about the sound of the door; The door has a waterproof groove, so packages and letters won't get wet from rain; A cover plate is placed over the anchor bolts in the lower compartment, making the lower compartment flat and easy to load and unload packages. 【Secure Double Locking System】By installing anchor bolts, the "delivery box with post" is secured, preventing it from tipping over due to natural disasters and ensuring safety. By passing the included wire through the anti-theft bracket and attaching a combination padlock, you have a double security measure for peace of mind. 【Rustproof and Waterproof Features】The roof is made of waterproof material, so it's safe even on rainy days; A noise-reducing cushion is attached to the door, so you can retrieve packages late at night without worrying about the sound of the door; The door has a waterproof groove, so packages and letters won't get wet from rain; A cover plate is placed over the anchor bolts in the lower compartment, making the lower compartment flat and easy to load and unload packages. Delivery Box Post Delivery BOX For Single-Family Homes Delivery Box Outdoor Storage Box Waterproof Outdoor Large Capacity Mail Post Easy Assembly [1-Tier Type]