D-Ring fastening is ideal for bundling trays and IC tubes Adjustable, releasable and reusable - easy to install Low charging hook and loop material meets ANSI/ESD S20.20 Custom sizes available Operating Temperature: 300°F max Melting Temperature: 459°F Straps should be tested regularly to make sure they retain their ESD properties Made in the United States of AmericaThis item is made in Rochester, NH and stocked in Canton, MA.