-. Binding : Office Product -. Brand : School House Cards -. Feature : 100 Consecutively Numbered Tyvek Wristbands 3/4 inch / Waterproof,durable,great one time use / Made of Dupont-Tyvek materials -. Label : School House Cards -. Manufacturer : School House Cards -. MPN : BLKST250WB -. PackageQuantity : 1 -. PartNumber : BLKST250WB -. ProductGroup : Office Product -. ProductTypeName : OFFICE_PRODUCTS -. Publisher : School House Cards -. Studio : School House Cards -. Title : 250 Black Stripe Consecutively Numbered Tyvek Wristbands