noun
heated mattress pad; heating pad
Refers to an electric pad placed on top of a mattress or used as a heating pad, similar to an electric blanket but typically placed under the body.
寒い夜は電気布団を敷いて寝ます。
On cold nights, I sleep with a heated mattress pad.
この電気布団は温度調節ができ
This heating pad has adjustable temperature settings.