High Quality Tyvek Event Wristbands Have Tamper - Proof Features Security Cuts, Etc. & Can be Printed with Sequential Serial Number. If You Need to Control Admission at Your Event, Concert, Venue, Show, Festival or Bar, Consider Inexpensive Tyvek Wristbands. Once Wrist Band is Applied, Disposable Paper Wrist Band Will Tear If User Tries to Remove & Transfer It. Tyvek Wristbands Are Water Resistant, Perfect for All Weather Events. Minimum Quantity: 500.