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|Care Instructions||Wash in sink.|
These standard size 16 oz. cups have a small button on the bottom that will turn them from plain tumblers to LED glowing light up cup awesomeness. This 6 pack of cups will keep you and all of your friends lit as you drink the night away. These can be reused pretty much forever! You can easily replace the batteries, and you can wash them just like you would any other cup (not in the dishwasher). The lights will stay on for at least 12 hours depending on which of the the multicolored rainbow modes you select.