Embodying translucent hues in the purest form, the Stone Collection emulates the most coveted semi-precious gems. Featured in a durable stone-like texture for added grip, the muted color palette simulates the raw delicacy of the minerals. S'well bottles feature Therma-S’well(R) Technology with triple-layered, vacuum-insulated construction designed to keep beverages colder or hotter, longer than all the rest. BPA Free and reusable. Stainless steel. 17 oz. Hand-wash only.