Is organization your biggest hope at your event? Blue Tyvek Wristbands are a great way to keep inexpensive organization at your event. Keeping track of those older than 21 can be particularly difficult or needing to know your VIP's at all times. Coming 10 inches long and one size fits most, makes it all possible! Bulk packaging of 100 pieces covers many of your guests. Need different colors? Don't worry, the tyvek wristbands are available in multiple colors.