When you’re sending something important, send it with Tyvek®
DuPont™ Tyvek® commercial envelopesoffer both water resistance and breathability. It is equally protective and strong in wet, dry and extreme environmental conditions. Tyvek® is lightweight, smooth, flexible, opaque, waterproof, tear-proof and resists rot, mildew, chemicals, abrasion and aging. Made from 100% high density polyethylene fibers that’s virtually indestructible, providing the assurance that your important contents will be delivered safely, available in commercial sizes for business use.