Sealing a mail slot in a door

Hi all I want to seal the mail slot in the front door of our house It is nothing more than a giant hole sucking hotcold air and my money

Discover the elegance of Hardware Box's Mail Slots Collection, where functionality meets sophistication for your front door Available in Satin Nickel,

front door mailbox slot It was cold outside, and we kept feeling a large draft near the stairs It was the mail slot on the wall next to the front door One tiny metal flap that

front door with mail slot Buy 1pc Stainless Steel Mail Slot Front Door Mailbox Smal Traditional Door Letter Box Wall Mount Letter Box at Aliexpress for Find more , and products