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Lose yourself in luxury.

Conveniently located across from Mickey Mantle’s, ONYX Boutique offers top-of-the-line luxury goods including handbags, jewelry and sunglasses from the world’s most well-known designers like FENDI, Longines, Swarovski, GUCCI and more. Plus, ONYX Boutique is the official Dallas Cowboys merchandise store at WinStar World Casino and Resort.