Coir matting cut to size is supplied to exact measurements. Fixed sizes are not always suitable. Coconut husk fibres create the structure. The product arrives ready to install. Why Cut to Size Coir Matting Is Used Coverage remains consistent across the area. Loose fitting matting reduces effectiveness. Movement is reduced. https://dominickwbegg.blogocial.com/cut-to-size-coir-matting-for-entrances-and-mat-wells-75429685