Fetching details from the dictionary...
carpet; rug; matting; carpeting
mat, mattress, quilt etc. spread out on the floor (or ground) and used to sit or sleep on
spread; (cloth) cover; coaster
この敷物は柔らかい。
This rug is soft.
冬に備えて新しい敷物を敷いた。
We laid a new rug in preparation for winter.
古い敷物を新しいものと交換した。
I replaced the old rug with a new one.