She bought a piece of red felt to lay on the table.
Tips
culture
Felt has a long association with the nomadic peoples of the Mongolian steppe — yurts (蒙古包), saddle blankets, and boots are classic 毡 products. Common compounds: 毡帽 (zhānmào) felt hat, 毛毡 (máozhān) wool felt, 油毡 (yóuzhān) tar paper / asphalt felt.
memory
The radical 毛 'fur / wool' on the left tells you immediately the material is matted animal hair.