Hi, I'm new here

[Snaky]

Hi Nataseya, welcome to the forum.

There is a section where you can find quite some picture's for the enclosure:
section
You can see lot's of picture's of how others decorated their cages. As for the size: Garters are active snakes that use the size that you give them, so I'd always go for a quite nice cage. My cages are 100x50x50 cm, but if I had the room I would prefer 120x60x60 cm. This is certainly big enough for a trio.

For the food, I'll direct you to the new wiki :
If you're wondering about the food, you've probably never heard of thiaminase, so this is quite interesting to know: Thiaminase
This is a global thread about food on the wiki:
general caresheet
I can certainly advice you to use the search function for words like red earthworm, fish, steak, pinkies, ...

I hope this gives you an idea, feel free to ask some other questions.

[Sid]

Hi Nataseya and welcome to the forum. A couple of questions so we can better help you out.

How old or what size is your new snake? I feed young or juvenile Garters smaller amounts and more frequently than I do adults. Do you know the species of your new pet or what area it came from? Is it wild caught or captive born?

Anything you have an answer to will better help us help you.

Sid

[GarterGuy]

Howdy and welcome to the forum S. Pretty much like everyone else was saying, need more info. on your snake (pics are especially helpful) so we can advise on just how it's best to care for it.
Roy