A Bracelets is perfect for any casual celebration or formal event.
Match the pattern of the Bracelets to your party theme.
With a large style party using Bracelets to ID guest who have either been invited or entered the party area is one way to help control who is suppose to be at the party. Then Bracelets could further be color coded depending what the party is about and who is invited. Obviously this would mean having to provide some sort of checklist if there is to many colors involved. So it might be useful to keep it simple in nature, like blue for boys and pink for girls. Then have a set of secondary Bracelets that could be used to mean something else, like a way to set up teams or award random prizes.
The use of Bracelets at a party while being used for security check points also could just be decorative hand outs for the attending guest. After all it is up to the person who is hosting or planning the party to decide what each item being used at the party is used for and if it has any meaning or not.
Remember the Bracelets should not become a safety issue at any party. That being said, here are some other ideas that the Bracelets might be used for, but not limited to. Some of them might come in different sizes and shapes, besides the use of color. Going outside at night using the ones the glow in the dark will be much more useful. Also do not forget that the bracelets can be mixed and matched up depending on what plans have been made for the party. Gatherings tend to be really fun and party favors should be given throughout the night for a memorable time, start by giving the invites bracelets, hats, and glasses to wear during the fiesta. Play games, pass out yummy appetizers, and play some dancing music for the ultimate party of the year. Plan with time and be very organized with the whole process. Don't forget the Bracelets.