Embodying translucent hues in the purest form, the Onyx Mug with Handle, from the Stone collection, emulates one of the most coveted semi-precious gems. Featured in a durable stone-like texture for added grip, the muted colour palette simulates the raw delicacy of the mineral. Make days brighter with this S'well mug, keeping the drinks you love hotter or colder for longer. Featuring Therma-S'well® Technology, it will keep drinks hot for 5 hours, and cold for 18\. These vacuum-insulated mugs come with a splash-proof, pop-on lid and a comfortable handle to make sipping at home or on the go easier. It's perfect for your morning coffee break. Enjoy a cup of coffee at home or work, or fill it with hot chocolate to warm up during cold weather.

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