Features of our Sticky / Tacky Matts :- * The fast, convenient, reliable way to effectively removes dirt from shoes and equipment wheels, before a clean area. * Peel-off sheets eliminate the need for messy cleaning and easy to maintain a clean surface. * Numbered corner tabs for easy tracking of remaining sheets. * Smooth, effective surface is not damaged by shoes, booties or cart wheels. * No sheet delamination or adhesive transfer. * These sticky mats have proven themselves effective in a wide variety industries, including micro electronics, aerospace, pharmaceuticals, and food processing. * Each sheet of mat has 30 layers.