The phrase "are several sheets of" is correct and usable in written English.
It can be used when referring to multiple sheets of paper or documents in a specific context, such as in a report or a description of materials.
Example: "In the folder, there are several sheets of important information that you need to review."
Alternatives: "consist of multiple sheets of" or "contain several sheets of".
In the negative engraving or scribing process, guide copy is printed on several sheets of plastic coated with an opaque paint, usually yellow.
On several occasions during the interview Glaenzer quotes a passage from the poem "Steps" by the German poet Hermann Hesse, which he's handwritten across several sheets of plain white paper, revealing each line one page at a time.
There are several kinds of scaffolds including hydrogels, prefabricated matrices, decellularized scaffolds and cell sheets.
There was a pen and several sheets of paper in front of him, and he conspicuously scribbled faster and longer than Mr. Gore, who was undoubtedly happy to let Mr. Bush one-up him in this department.
Dear Diary: As a young newspaper reporter some years ago, I was taught to fold several sheets of yellow lined paper into threes and carry them in my breast pocket.
Sometimes there may be a single sheet or several sheets of Numbered Drawing Notes that consolidate all or most of the drawing notes for an entire set of drawings.
These perfectly flat, stark, desolate sheets of ice are several kilometres thick at their apex and stretch for more than 2,500km from the coast to the South Pole.
Like most of the participants, he used chess notation to record the moves in his game, but, unlike most of them, he needed several sheets of paper: he's still working on his letters and numerals.
Within the Biomass Resources section of the website are several other reports, databases, weblinks, presentations, and fact sheets that address environmental issues.
The night the papers were due I opened my desk drawer to find, covering the attendance sheet, several sheets of mismatched paper with a handwriting in pencil I recognized.
