3/4@ Tyvek@ wristbands are made from synthetic paper called DuPont™ Tyvek@.@ Tyvek@ is water resistant, strong, recyclable and comfortable making it perfect for short term wear.Each pack will contain 500 Tyvek@ wristbands and you can choose from a variety of colors and designs. Each wristband is consecutively numbered for extra security. The backside of the tyvek@ wristband is white. They also uphold to writing with permanent marker.@ @3/4@ Tyvek@@Wristband@Product DetailsShort term use: approximately 1-2 daysSequentially numbered per pack for accountabilityWaterproof, adjustable adhesive@Separate packs may contain different number series100%@code two, recyclable materialSecure, tamper resistant, die cut adhesive tab@Upholds writing with permanent and sharpie markerMade in the U.S.A.500 Tyvek@ Wristbands per box