Blue insulated tumbler with dolphin sticker

I found a blue insulated tumbler this afternoon around 2:15pm in the parking lot behind the Beau Rivage Resort & Casino in Biloxi. It's a 20 oz stainless steel mug with a white lid and a blue silicone sleeve, and there's a small dolphin sticker on the side. On the bottom, the initials 'KT' are etched, and the lid shows a faint coffee stain, with a few light scratches on the outside. If you recognize these details, reply in the app so we can reunite you with it.