At Disneyland Resort in California, you do not generally need a wristband for a standard day of park-going. Entry is managed through digital tickets on your phone or physical cards. However, in 2026, wristbands are used for two specific purposes: "After Dark" events and MagicBand+. For separate-ticket events like "Oogie Boogie Bash" or "Star Wars Nite," you will be given a colored plastic wristband upon check-in so Cast Members can identify you as a valid guest after the park closes to the general public. Additionally, many guests choose to wear a MagicBand+, which is a wearable device that links to your ticket, allows you to enter the park, check into "Lightning Lanes," and interacts with nighttime spectaculars with glowing lights and haptic vibrations. While the MagicBand+ is very convenient and "hands-free," it is entirely optional; you can do everything the wristband does using just your smartphone and the Disneyland app, making it a matter of personal preference rather than a park requirement.