coir; the coir fibres are strong and course, and made from the outer husks of coconuts. normally used in the small entrance matting. can be wet cleaned, although the easiest way is to take the mat outside and beat it.. strengths; good for hiding soil, strong-very hard wearing.. weaknesses; course sharp fibres. have cleaned in the past with hwe and skimmed with a bonnet, using fine line m/s....