Wax foca, guarnizione
Paper (You could use regular paper and give it a tea/coffee effect o te could use parchment paper. (I used the parchment)
These Harry Potter FREE Fonts found here. (You can pick and choose which ones te want. There is no wrong way to do this, I promise)
Address Labels (this is to print out a faux wax seal)
Twine (optional)

Find out more...

The first page of the acceptance letter says:

Hogwarts School of Witchcraft and Wizardry
Headmaster: Albus Dumbledore (Order of Merlin, First Class, Grand Sorc., Chf. Warlock, Supreme Mugwump, International Confed. of Wizards)
Dear (Your name)

We are pleased to inform te that te have been accepted at Hogwarts School of Witchcraft and Wizardry. Please find enclosed a lista of all necessary libri and equipment. Term begins on September 1. We await your owl da no later than July 31.
Yours sincerely,
Minerva McGonagall
Deputy Headmistress

The secondo page with requirements says:
Hogwarts School of Witchcraft and Wizardry
First-year students will require:
1.Three sets of plain work robes (black)
2.One plain pointed hat (black) for giorno wear
3.One pair of protective gloves (dragon hide o similar)
4.One winter mantello (black, with silver fastenings)
Please note that all pupils' clothes should carry name tags.

All students should have a copy of each of the following:
The Standard Book of Spells (Grade 1) da Miranda Goshawk
A History of Magic da Bathilda Bagshot
Magical Theory da Adalbert Waffling
A Beginner's Guide to Transfiguration da Emeric Switch
One Thousand Magical Herbs and Fungi da Phyllida Spore
Magical Drafts and Potions da Arsenius Jigger
Fantastic Beasts and Where to Find Them da Newt Scamander
The Dark Forces: A Guide to Self-Protection da Quentin Trimble

1 wand
1 cauldron (pewter, standard size 2)
1 set glass o crystal phials
1 telescope
1 set brass scales
Students may also bring an owl o a cat o a toad.

te can copy and paste the above wording into a Word document. Don't forget to personalize the letter before printing o to give Professor McGonalgall an smeraldo signature. te can also copy the image of the Hogwarts foca, guarnizione and paste into a word document.

Once te have it on your Word document and te have downloaded the fonts te can change the font of wording. Remember, there is no one way to do this. te can choose any font to use.

The envelope could have the following information:
Name: Mr. T. PAIN
Bedroom location: On a boat, on a big blue watery road
strada, via address: 123 Water Street
City, State: New York, New York
Country: USA

This, of course, is an example. te would put in your info. te could use a regular envelope o make one from paper using a tutorial like this.

Then te can copy and paste the foca, guarnizione below and print it out on an address label. Cut it out and use it on the back of the envelope as if it were a real wax seal.

{Credit : www.hellopapermoon.com/2012/06/hogwarts-here-i-come.html }