coconut matting
From Longman Dictionary of Contemporary Englishcoconut mattingˌcoconut ˈmatting noun [uncountable] British English DFCa rough material used to cover floors that is made from the fibres covering a coconut shellExamples from the Corpuscoconut matting• For instance, the commonly-used coconut matting got muddy very quickly after a game and was hard to clean.• Just inside the vestibule there was coconut matting, and seeing this Mum looked about then began to wipe her feet.