| Clue | Source | Date |
|---|---|---|
| Portrait canvas of a sort | Newsday | 22 Aug 2020 |
| Translucent sheets | Wall Street Journal | 10 Jun 2019 |
| Translucent sheets | ||
| Specialized painting surface | LA Times Daily | 12 May 2018 |
| Specialized painting surface | The Washington Post | 12 May 2018 |
| Specialized painting surface | ||
| Chinese umbrella material | ||
| Waterproof wrap | ||
| Chinese umbrella material | ||
| Waterproof material | ||
| Cling wrap predecessor | ||
| Water-resistant wrap | ||
| Relative of cellophane. | ||
| Waterproof material. |