Embodying translucent hues in the purest form, S'well's best-selling Onyx Water Bottle boasts a durable stone-like texture for added grip, while the muted colour palette simulates the raw delicacy of the mineral. The 750ml Original Bottle is a triple-layered, vacuum-insulated bottle that features Therma-S’well® Technology and high-grade 18/8 stainless steel. Its innovative design features mean that it keeps drinks hot for 24 hours and cold for an impressive 48. This durable bottle is BPA/BPS-free and designed to be refilled and reused day after day, helping you to reduce single-use plastics. The perfect fusion of fashion and function, this bottle offers superior performance that comes in an extensive collection of beautiful designs. Take it with you to the gym, for a long commute and on your well-deserved holidays.