noun
door stopper; door bumper; door cushion
A cushion-like device attached to a door or wall to prevent damage from impact or to stop the door from moving. Common in homes and offices.
ドアが壁に当たらないように、ドアクッションを付けた。
I attached a door bumper so the door wouldn't hit the wall.
このドアクッションは床に置くタイプです。
This door stopper is the type you place on the floor.