Reliable Protection: Water & Dust resistant material can keep your floor and carpet clean from water, germs, dirt or dust. Ideal for lab or industrial use Durable Material: Heavy duty non-woven polypropylene fabric with anti-slip coated printing for multiple use, house, workplace, indoor carpet flooring ect Innovative Design: Double-banded elastics provide a snug and secure fit as both boot and shoe covers Quiet no-noise: Does not make noise while walking, ideal when quietness is desirable Easy-on-Off: Hassle-Free to put them on or off when wearing over recommended shoe sizes (up to 10.5 US men and 12 US women Size). Packaged in a bulk pack of 100 shoe covers. Shoe covers are very portable and soft, one size fits most