The phrase "a cup made of" is correct and usable in written English.
It can be used when describing the material or substance from which a cup is constructed.
Example: "I prefer a cup made of ceramic because it retains heat better than plastic."
Alternatives: "a cup crafted from" or "a cup composed of".
"We understand a golden cup to be a cup made of or resembling gold," he wrote.
Anywhere else it would have been a cup, made of paper or plastic, but this was glass, and had a stem.
Another opener has to be the most sophisticated baby dish in town: a cup made of taro root containing tiny vegetables and covered with crisp phyllo.
Although it is merely a cup made of plants, the rat protects it with a small pile of sticks among boulders on a cliff ledge or inside a cave.
"We joke that you're an old-time Rockaway resident if you remember the Tuckee Cup," Mr. Schwach said, explaining that it was chow mein in a cup made of pressed noodles that cost $1.25 back in the 50's.
The echinoderm's mouth was on the top of its body, and it sported a cup made of checkered plates with a small stem at its base.
The drinks we buy must be in a special cup made of a special material, and that special material will change over the course of the night at certain times.
Whether it's a reusable cup made of an interactive screen on which you can select your order before arriving at a coffee-filling kiosk, or a display on your clothes, we're exploring how objects can become the apps".
Both digging cups were made of a square cup made of white plastic and measured 8 cm × 8 cm × 6 cm.
One cup was the same as used in Experiment 1, and the other was a square cup made of white plastic, measuring 8 cm × 8 cm × 6 cm.
It sags below his chin in the form of an elongated cup made of wiry brown hairs.
