Handles heavy dirt with ease. Millions of micro fibers absorb water instantly. Machine washable indeed and won't be broken after repetitive wash. Specially designed fibers absorb dirt and moisture from soles instantly. Easy to clean. Just vacuum it or throw it into the washing machine. High color fastness level. Not easy to fade. Low enough. Fits easily under doors. Strong combined fiber! Not easy to lose lint. Free cutting. Just cut any shapes you like and feel release, it won't be broken!