Oahu is a cool mauve with grey overtones named after our favorite Hawaiian island! It’s made from high-food-grade stainless steel and double-walled, so your drinks taste great and stay at their optimum temperature for hours. Key features: Cold for 24 hours / Warm for 12 hours. Insulated, double-walled construction. Luxuriously soft matte finish. Crafted with premium 18/8 stainless steel. BPA & toxin-free. 500ml size (also available in 750ml). She is presented in her own reusable cotton bag and gift tube. Match this with any Caye Life reusable cup and save with our Eco Bundles.