Assertion: microwavable heating pad | /r/HasProperty | filled with buckwheat
Facets:
Source sentences:
text: Microwavable heating pads are typically made out of a thick insulative fabric such as flannel and filled with grains such as wheat, buckwheat or flax seed.
text: They are usually made of insulating fabric and filled with grains such as buckwheat, flax seeds, wheat, etc.