A metallic take on a classic hue, the Pyrite collection is a winning mix of lustrous brass and antique gold. The 750ml Pyrite Bottle is a triple-layered, vacuum-insulated bottle that features Therma-Swell® Technology and high-grade 18/8 stainless steel to keep drinks hot for up to 24 hours and cold for up to 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. S'well Colour: Black