2 sentences

1. 枕头里填充了柔软的羽绒。

   zhěn​tou lǐ tián​chōng le róu​ruǎn de yǔ​róng.

   The pillow is filled with soft down.

   Source: Dong Chinese Dictionary

2. 这种被子的填充物是优质鸭羽绒。

   zhè zhǒng bèi​zi de tián​chōng​wù shì yōu​zhì yā yǔ​róng.

   The filling of this quilt is high-quality duck down.

   Source: Dong Chinese Dictionary