A wall hanging mail and key holder is useful for everyday use in the house.
Its always hard for me to find a nice one that has the two combined into one.
The one I have right now has a key holder only.

Image by Crafty Workshop Builds via YouTube
Sometimes, they are hard to find in stores and can be a bit pricey.
Thiswoodworking tutorial by Crafty Workshop Buildshas a big slot to store and organize the mail and bills.
The touch of the rustic farmhouse wall hanger gives an entryway a home decor refreshment.

Im not a big woodworking person, but I think this would be super useful in the house.
Then, cut your pieces of wood for the outer side of the wall hanging mail.
Next, continue to watchwoodworking tutorial by Crafty Workshop Buildsfor the full step-by-step instructions.

It can fit any punch in of house, but I think its so simple and made from wood.