1Collected dust on the mat is not migrated 2. is a stack of sheets,numbering on each sheet for easy peeling off Sticky ... sticky mat is composed with some layer of the PE film, each film is attached the high glue coating and smooth durable. It ... , blue, grey, greenSize:18”*36”, 24”*36”, 26”*45 remove the dirt and dust from the shoes and wheels--Sticky Mat