These shelves are top shelf. And middle and bottom shelf.
Rejected commercial for Origami 2-Pack Pop-It 4-Tier Shelves:
REGINALD: I bought a house just to store all my Origami 2-Pack Pop-It 4-Tier Shelves.
IRS: Hi, we're auditing you.
REGINALD: Step into my Origami Shelf house.
IRS: Thank you.
REGINALD: So as you can see, I have lots of shelves.
IRS: We'll do the determining what you have.
IRS: You have lots of shelves.
IRS: They are nice.
IRS: Well goodbye.
[2 hours later]
REGINALD: Hey wait they stole all my Origami Shelves.
IRS: [miles away] Heh heh.
REGINALD: What kind of a name is Irs anyway?
IRS: [suddenly in the room] It's Gaelic.
[Origami logo appears]