Our doormats use Unique that quickly absorb moisture from shoes instantly,keeping floors clean and dry from water,dust,grit,mud,sleet,grass,rain and snow. Just simply snap together the mat and create custom configuration on site. No tools or glue needed Simply vacuum with a hand-held vacuum,sweep with a broom,or shake off outdoors or over your garbage bin. For a deeper clean,wipe with a damp cloth and mild soap,or use a garden hose to rinse the mat outdoors.