Shine a light on the case that matters to you with the light-up look of this acrylic necklace. This cool promotional option features LED color and is perfect for breast cancer events and others. Two replaceable batteries come included for immediate use. Add an imprint of your organization's name, logo and advertising message to complete the promotional look. From tradeshows to fundraising efforts, this light-up promo is sure to please. Various shapes and LED colors are available.