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The cup that lets you cheer as loud as you feel
in every weather
The louder you blow
flip it to unleash the built-in horn — no batteries needed
Loudest Grandma 16oz Color:White The cup that lets youThe cup that lets you cheer as loud as you feel. Drink from one side, flip it to unleash the built in horn no batteries needed. The louder you blow, the louder it gets. Why Fans Love It 1,500,000+ sold worldwide 2 in 1 hydration + horn in one The gift that actually gets used Lightweight, durable & game day ready As seen on TikTok & YouTube
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