Tyvek wristbands are ideal for the management of large numbers of people, offering reliability and efficiency at a low cost. ” premium Tyvek 100-piece bundle is the ideal people management choice for your next event. These bands are waterproof, tamper proof and tear resistant, meaning they’ll last the duration of your event and prevent the risk of counterfeits. Order before 12pm Monday-Friday or before 1pm on Saturday for same-day dispatch. For larger orders with printing, please allow up to 24 hours for your order to be processed.